1. 2024
2. Cyhoeddwyd

   School-based delivery of a dialogic book sharing intervention: a feasibility study of Books Together

   Williams, M., Owen, C. & Hutchings, J., 28 Chwef 2024, Yn: Frontiers in Education. 9, 1304386.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

3. 2023
4. Cyhoeddwyd

   Screen use: Its association with caregiver mental health, parenting, and children's ADHD symptoms

   Waller, F., Prandstetter, K., Jansen, E., Nikolova, G., Lachman, J., Hutchings, J. & Foran, H., Rhag 2023, Yn: Family Relations. 72, 5, t. 2499-2515 17 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   Does Social and Economic Disadvantage Predict Lower Engagement with Parenting Interventions? An Integrative Analysis Using Individual Participant Data

   Berry, V., Melendez-Torres, G. J., Axford, N., Axberg, U., Orobio de Castro, B., Gardner, F., Gaspar, M., Handegard, B., Hutchings, J., Menting, A., McGilloway, S., Scott, S. & Leijten, P., Tach 2023, Yn: Prevention Science. 24, 8, t. 1447-1458 12 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   Development and initial evaluation of the COnfident Parent INternet Guide program for parents of 3–8 year olds

   Hutchings, J., Owen, D. & Williams, M., 24 Gorff 2023, Yn: Frontiers in Psychology. 14, t. 1228144

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

7. Cyhoeddwyd

   Measuring dysfunctional parenting: Psychometrics of three versions of the Parenting Scale

   Prandstetter, K., Waller, F., Heinrichs, N., Hutchings, J., Ward, C., Danila, I., Lachman, J. & Foran, H., Gorff 2023, Yn: Family Relations. 72, 3, t. 1254-1275

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   Attachment, behavior problems and interventions

   Hutchings, J., Williams, M. & Leijten, P., 21 Ebr 2023, Yn: Frontiers in Child and Adolescent Psychiatry. 2, 1156407.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   Factor structure of the Depression, Anxiety and Stress Scale among caregivers in Southeastern Europe

   Murphy, H., Prandstetter, K., Ward, C., Hutchings, J., Kunovski, I., Taut, D. & Foran, H., 5 Ebr 2023, Yn: Family Relations. 73, 2, t. 905-920 16 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

10. Cyhoeddwyd

    Effects of a teacher classroom management program on preschool teachers' practices and psychological factors: A randomized trial with teachers of children from economically disadvantaged families

    Gaspar, M., Patras, J., Hutchings, J., Homem, T., Azevedo, A. F., Pimentel, M., Baptista, E., Major, S., Vale, V. & Seabra-Santos, M. J., Maw 2023, Yn: Early Education and Development. 34, 3, t. 626-647

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11. 2022
12. Cyhoeddwyd

    Exploring Factors Associated with Parent Engagement in A Parenting Program in Southeastern Europe

    Williams, M., Foran, H., Hutchings, J., Frantz, I., Taut, D., Lachman, J., Ward, C. & Heinrichs, N., Tach 2022, Yn: Journal of Child and Family Studies. 31, 11, t. 3097-3112 16 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    Preventing child mental health problems in southeastern Europe: Feasibility study (phase 1 of MOST framework)

    Jansen, E., Frantz, I., Hutchings, J., Lachman, J., Williams, M., Taut, D., Baban, A., Raleva, M., Lesco, G., Ward, C., Gardner, F., Fang, X., Heinrichs, N. & Foran, H., Medi 2022, Yn: Family Process. 61, 3, t. 1162-1179

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

14. Cyhoeddwyd

    The UK stand together trial: protocol for a multicentre cluster randomised controlled trial to evaluate the effectiveness and cost effectiveness of KiVa to reduce bullying in primary schools

    Stand Together Team, Clarkson, S., Bowes, L., Coulman, E., Broome, M. R., Cannings-John, R., Charles, J. M., Edwards, R. T., Ford, T., Hastings, R. P., Hayes, R., Patterson, P., Segrott, J., Townson, J., Watkins, R., Badger, J. & Hutchings, J., 29 Maw 2022, Yn: BMC Public Health. 22, 1, t. 608

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

15. Cyhoeddwyd

    The long life-time shadow of bullying: cost-effectiveness of KiVa to reduce bullying in primary schools

    Whiteley, H., Edwards, R. T., Hutchings, J. & Bowes, L., 1 Maw 2022, Yn: International Journal of Population Data Science. 7, 2, 1 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod

16. 2021
17. Cyhoeddwyd

    Prevention of child mental health problems through parenting interventions in Southeastern Europe (RISE): study protocol for a multi-site randomised controlled trial

    Taut, D., Baban, A., Frantz, I., Danila, I., Lachman, J., Heinrichs, N., Ward, C., Gardner, F., Fang, X., Hutchings, J., Raleva, M., Lesco, G., Murphy, H. & Foran, H., 27 Rhag 2021, Yn: Trials. 22, 960.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

18. Cyhoeddwyd

    A South-to-South Cultural Adaptation of an Evidence-Based Parenting Program for Families in the Philippines

    Mamauag, B. L., Alampay, L. P., Lachman, J., Madrid, B. J., Hutchings, J., Ward, C. & Gardner, F., Rhag 2021, Yn: Family Process. 60, 4, t. 1202-1216

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

19. Cyhoeddwyd

    Effectiveness of a parenting programme to reduce violence in a cash transfer system in the Philippines: RCT with follow-up

    Lachman, J., Alampay, L. P., Jocson, R., Alinea, M. C. D., Madrid, B. J., Ward, C., Hutchings, J., Landoy Mamauag, B., Garilao, M. A. V. F. & Gardner, F., Rhag 2021, Yn: The Lancet Regional Health - Western Pacific. 17, 100279.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

20. Cyhoeddwyd

    The Science of Scale for Violence Prevention: A New Agenda for Family Strengthening in Low- and Middle-Income Countries

    Shenderovich, Y., Lachman, J. M., Ward, C. L., Wessels, I., Gardner, F., Tomlinson, M., Oliver, D., Janowski, R., Martin, M., Okop, K., Sacolo-Gwebu, H., Ngcobo, L. L., Fang, Z., Alampay, L., Baban, A., Baumann, A. A., de Barros, R. B., Bojo, S., Butchart, A., Dippenaar, W., Exavery, A., Fang, X., Ferdinandi, I., Foran, H. M., Heinrichs, N., Hutchings, J., Kisyombe, D., Massetti, G., Mazak, J., Mbuyi, H., Singh, P., Polsky, K., Rakotomalala, S., Raleva, M., Savo, R. & Cluver, L., 19 Maw 2021, Yn: Frontiers in Public Health. 9, 581440.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

21. Cyhoeddwyd

    Strengthening a culture of prevention in low- and middle-income countries: Balancing scientific expectations and contextual realities

    Parra-Cardona, R., Leijten, P., Lachman, J. M., Mejia, A., Baumann, A. A., Buenabad, N. G. A., Cluver, L., Doubt, J., Gardner, F., Hutchings, J., Ward, C. L., Wessels, I. M., Calam, R., Chavira, V. & Rodriguez, M. M. D., Ion 2021, Yn: Prevention Science. 22, 1, t. 7-17 11 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

22. 2020
23. Cyhoeddwyd

    Evaluating the dissemination and scale-up of two evidence-based parenting interventions to reduce violence against children: study protocol

    Shenderovich, Y., Ward, C., Lachman, J., Wessels, I., Sacolo-Gwebu, H., Okop, K., Oliver, D., Ngcobo, L. L., Tomlinson, M., Fang, Z., Janowski, R., Hutchings, J., Gardner, F. & Cluver, L., 7 Rhag 2020, Yn: Implementation Science Communications. 1, 109.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

24. Cyhoeddwyd

    Individual Participant Data Meta-analysis: Impact of Conduct Problem Severity, Comorbid Attention-Deficit/Hyperactivity Disorder and Emotional Problems, and Maternal Depression on Parenting Program Effects

    Leijten, P., Scott, S., Landau, S., Harris, V., Mann, J., Hutchings, J., Beecham, J. & Gardner, F., Awst 2020, Yn: Journal of the American Academy of Child and Adolescent Psychiatry. 59, 8, t. 933-943

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

25. Cyhoeddwyd

    The Effectiveness of the KiVa Bullying Prevention Program in Wales, UK: Results from a Pragmatic Cluster Randomized Controlled Trial

    Axford, N., Bjornstadt, G., Clarkson, S., Ukoumunne, O., Wrigley, Z., Matthews, J., Berry, V. & Hutchings, J., Gorff 2020, Yn: Prevention Science. 21, t. 615-626

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

26. Cyhoeddwyd

    The Incredible Years Autism Spectrum and Language Delays Parent program: A pragmatic, feasibility randomized controlled trial

    Williams, M., Hastings, R. & Hutchings, J., Meh 2020, Yn: Autism Research. 13, 6, t. 1011-1022

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

27. Cyhoeddwyd

    Hunger in Vulnerable Families in Southeastern Europe: Associations With Mental Health and Violence

    Jansen, E., Lachman, J., Heinrichs, N., Hutchings, J., Baban, A. & Foran, H., 15 Ebr 2020, Yn: Frontiers in Public Health. 8, 115.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

28. Cyhoeddwyd

    Parenting for Lifelong Health for young children: a randomized controlled trial of a parenting program in South Africa to prevent harsh parenting and child conduct problems

    Ward, C., Wessels, I., Lachman, J. M., Hutchings, J., Cluver, L., Kassanjee, R., Nhapi, R., Little, F. & Gardner, F., Ebr 2020, Yn: Journal of Child Psychology and Psychiatry. 61, 4, t. 503-512 10 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

29. Cyhoeddwyd

    Feasibility study of the Enhancing Parenting Skills programme

    Williams, M., Hoare, Z. & Hutchings, J., Maw 2020, Yn: Journal of Child and Family Studies. 29, 3, t. 686-698

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

30. Cyhoeddwyd

    A Feasibility Evaluation of the Incredible Years (R) School Readiness Parenting Programme

    Hutchings, J., Pye, K., Bywater, T-J. & Williams, M., 20 Ion 2020, Yn: Psychosocial Intervention. 29, 2, t. 83-91

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

31. 2019
32. Cyhoeddwyd

    Co-Occurring Change in Children’s Conduct Problems and Maternal Depression: Latent Class Individual Participant Data Meta-Analysis of the Incredible Years Parenting Program

    Leijten, P., Gardner, F., Melendez-Torres, G. J., Weeland, J., Hutchings, J., Landau, S., McGilloway, S., Overbeek, G., van Aar, J., Menting, A., Orobio de Castro, B., Berry, V., Gaspar, M., Axberg, U., Morch, W-T. & Scott, S., Rhag 2019, Yn: Development and Psychopathology. 31, 5, t. 1851-1862

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

33. Cyhoeddwyd

    Preventing child mental health problems through parenting interventions in Southeastern Europe (RISE): Protocol for a multi-country cluster randomized factorial study

    Lachman, J., Heinrichs, N., Jansen, E., Bruhl, A., Taut, D., Fang, X., Gardner, F., Hutchings, J., Ward, C., Williams, M., Raleva, M., Baban, A., Lesco, G. & Foran, H., Tach 2019, Yn: Contemporary Clinical Trials. 86

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

34. Cyhoeddwyd

    Disseminating the Incredible Years® Basic Parenting Programme in Wales

    Hutchings, J. & Williams, M., Hyd 2019, Implementing Mental Health Promotion. 2nd gol. Springer

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

35. Cyhoeddwyd

    The positive parenting handbook: Developing happy and confident children

    Hutchings, J., 27 Awst 2019, Routledge. 170 t.

    Allbwn ymchwil: Llyfr/Adroddiad › Llyfr

36. Cyhoeddwyd

    Introducing KiVa school-based antibullying programme to the UK: A preliminary examination of effectiveness and programme cost

    Clarkson, S., Charles, J. M., Saville, C. W. N., Bjornstad, G. J. & Hutchings, J., Awst 2019, Yn: School Psychology International. 40, 4, t. 347-365

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

37. Cyhoeddwyd

    Prevention of child mental health problems in Southeastern Europe: a multicentre sequential study to adapt, optimise and test the parenting programme ‘Parenting for Lifelong Health for Young Children’, protocol for stage 1, the feasibility study

    Frantz, I., Foran, H., Lachman, J., Jansen, E., Hutchings, J., Baban, A., Fang, X., Gardner, F., Lesco, G., Raleva, M., Ward, C., Williams, M. & Heinrichs, N., Meh 2019, Yn: BMJ Open. 9, 1, t. e026684

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

38. Cyhoeddwyd

    Equity effects of parenting interventions for child conduct problems: a pan-European individual participant data meta-analysis

    Gardner, F., Leijten, P., Harris, V., Mann, J., Hutchings, J., Beecham, J., Bonin, E-M., Berry, V., McGilloway, S., Gaspar, M., Seabra-Santos, M. J., Orobio de Castro, B., Menting, A., Williams, M., Axberg, U., Morch, W-T., Scott, S. & Landau, S., 6 Mai 2019, Yn: Lancet Psychiatry. 6, 6, t. 518-527

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

39. Cyhoeddwyd

    A practitioner's guide to enhancing parenting skills: assessment, analysis and intervention

    Hutchings, J. & Williams, M., 5 Chwef 2019, Routledge. 216 t.

    Allbwn ymchwil: Llyfr/Adroddiad › Llyfr › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    Building social and emotional competence in school children: A randomised controlled trial

    Williams, M., Bywater, T. J., Lane, E., Williams, N. C. & Hutchings, J., 1 Chwef 2019, Yn: Psychology. 10, 2, t. 107-121

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    Meta-analyses: Key parenting program components for disruptive child behavior

    Leijten, P., Gardner, F., Mendelez-Torres, G. J., van Aar, J., Hutchings, J., Schultz, S., Knerr, W. & Overbeek, G., Chwef 2019, Yn: Journal of the American Academy of Child and Adolescent Psychiatry. 58, 2, t. 180-190

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid

42. Cyhoeddwyd

    The earlier the better? Individual participant data and traditional meta-analysis of age effects of parenting interventions

    Gardner, F., Leijten, P., Melendez-Torres, G. J., Landau, S., Harris, V., Mann, J., Beecham, J., Hutchings, J. & Scott, S., Ion 2019, Yn: Child Development. 90, 1, t. 7-19

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

43. 2018
44. Cyhoeddwyd

    Preventing child maltreatment in low- and middle-income countries: Parenting for Lifelong Health in the Philippines

    Alampay, L. P., Lachman, J., Landoy, B. V., Madrid, B. J., Ward, C., Hutchings, J., Alinea, M. C. D. & Gardner, F., 21 Tach 2018, Developmental Science and Sustainable Development Goals for Children and Youth. Verma, S. & Petersen, A. C. (gol.). Springer, t. 277-295 (Social Indicators Research Series; Cyfrol 74).

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

45. Cyhoeddwyd

    Health visitor feedback on a structured, behavioural training for working with families of children with behaviour problems

    Williams, M. & Hutchings, J., 5 Hyd 2018, Community Practitioner, 91.

    Allbwn ymchwil: Cyfraniad at gyhoeddiad arbenigol › Erthygl

46. Cyhoeddwyd

    A comparison of the clinical effectiveness and cost of specialized individually delivered parent training for preschool attention deficit/hyperactivity disorder and a generic, group based programme: a multi centre, randomised controlled trial of the New Forest Parenting Programme versus Incredible Years

    Sonuga-Barke, E. J., Barton, J., Daley, D., Hutchings, J., Maishman, T., Raftery, J., Stanton, L., Laver-Bradbury, C., Chorozoglou, M., Coghill, D., Little, L., Ruddock, M., Radford, M., Yao, G. LI., Lee, L., Gould, L., Shipway, L., Markomichali, P., McGuirk, J., Lowe, M., Perez, E., Lockwood, J. & Thompson, M., Meh 2018, Yn: European Child and Adolescent Psychiatry. 27, 6, t. 797-809

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

47. Cyhoeddwyd

    Comparing Live and VideoObservation to Assess Early Parent-child Interactions in the Home

    Gridley, N., Bywater, T-J. & Hutchings, J., Meh 2018, Yn: Journal of Child and Family Studies. 27, 6, t. 1818-1829 12 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

48. Cyhoeddwyd

    Web-based parenting support: Development of the COPING Confident Parenting programme

    Hutchings, J., Owen, D. & Williams, M., 23 Ebr 2018, Yn: Education Sciences. 8, 2, t. 59 9 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

49. Cyhoeddwyd

    Harnessing the power of individual participant data in a meta-analysis of the benefits and harms of the Incredible Years parenting program

    Leijten, P., Gardner, F., Landau, S., Harris, V., Mann, J., Hutchings, J., Beecham, J. & Bonin, E-M., Chwef 2018, Yn: Journal of Child Psychology and Psychiatry. 59, 2, t. 99-109 10 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

50. 2017
51. Cyhoeddwyd

    Development of a Parenting Support Program to Prevent Abuse of Adolescents in South Africa: Findings From a Pilot Pre-Post Study

    Cluver, L. D., Lachman, J., Ward, C., Gardner, F., Peterson, T., Hutchings, J., Mikton, C., Meinck, F., Tsoanyane, S., Doubt, J., Boyes, M. & Redfern, A. A., Tach 2017, Yn: Research on Social Work Practice. 27, 7, t. 758-766

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

52. Cyhoeddwyd

    Evaluating an autism parenting programme

    Williams, M. & Hutchings, J., 24 Hyd 2017, Network Autism.

    Allbwn ymchwil: Cyfraniad at gyhoeddiad arbenigol › Erthygl

53. Cyhoeddwyd

    Randomized Controlled Trial of a Parenting Program to Reduce the Risk of Child Maltreatment in South Africa

    Lachman, J., Cluver, L., Ward, C. L., Hutchings, J., Mlotshwa, S., Wessels, I. & Gardner, F., Hyd 2017, Yn: Child Abuse and Neglect. 72, t. 338-351 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

54. Cyhoeddwyd

    An evaluation of the online universal programme COPING parent: A feasibility study.

    Owen, D. A. & Hutchings, J., 8 Meh 2017, Yn: Journal of public health research. 6, 1, t. 37-43 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

55. Cyhoeddwyd

    Evaluation of the COPING parent online universal programme: study protocol for a pilot randomised controlled trial

    Owen, D. A., Griffith, N. & Hutchings, J., 26 Ebr 2017, Yn: BMJ Open. 7, 4, e013381.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

56. Cyhoeddwyd

    Parenting for Autism, Language, And Communication Evaluation Study (PALACES): protocol for a pilot randomised controlled trial

    Williams, M., Hastings, R., Charles, J., Evans, S. & Hutchings, J., 16 Chwef 2017, Yn: BMJ Open. 7, 2, 9 t., e014524.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

57. Cyhoeddwyd

    Taking the Incredible Years child and teacher programmes to scale in Wales

    Hutchings, J. & Williams, M., 6 Ion 2017, Yn: Childhood Education. 93, 1, t. 20-28

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

58. Cyhoeddwyd

    Evaluating the Incredible Years Toddler Parenting programme with parents of toddlers in disadvantaged (Flying Start) areas of Wales

    Hutchings, J., Griffith, N., Bywater, T. J. & Williams, M., Ion 2017, Yn: Child: care, health and development. 43, 1, t. 104-113

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid