1. Cyhoeddwyd

   Survival of Escherichia coli, O157 : H7 in waters from lakes, rivers, puddles and animal-drinking troughs.

   Avery, L. M., Williams, P., Killham, K. & Jones, D. L., 25 Ion 2008, Yn: Science of the Total Environment. 389, 2-3, t. 378-385

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

2. Cyhoeddwyd

   Survival of acidophilic bacteria under conditions of substrate depletion that occur during culture storage.

   Johnson, D. B., Bruhn, D. F., Roberto, F. F., Tsezos, M. (gol.), Hatzikioseyian, A. (gol.) & Remoudaki, E. (gol.), 1 Ion 2004, t. 1195-1203.

   Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

3. Cyhoeddwyd

   Susceptibility of Escherichia coli O157 to chitosan-arginine in beef liquid purge is affected by bacterial cell growth phase

   Lahmer, R. A., Jones, D. L., Townsend, S., Baker, S. & Williams, A. P., 1 Chwef 2014, Yn: International Journal of Food Science and Technology. 49, t. 515-520

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

4. Cyhoeddwyd

   Susceptibility of a northern hardwood forest to exotic earthworm invasion.

   Gundale, M. J., Jolly, W. M. & DeLuca, T. H., 1 Awst 2005, Yn: Conservation Biology. 19, 4, t. 1075-1083

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

5. Cyhoeddwyd

   Sustainability: root targets in consensus

   Maxwell, S. & Jones, J. P. G., 23 Hyd 2014, Yn: Nature. 514, 7523, t. 434-434

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

6. Cyhoeddwyd

   Sustainability of sloping land cultivation systems in the mid-hills of Nepal.

   Acharya, G. P., Tripathi, B. P., Gardner, R. M., Mawdesley, K. J. & McDonald, M. A., 1 Medi 2008, Yn: Land Degradation and Development. 19, 5, t. 530-541

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

7. Cyhoeddwyd

   Sustainable Land Management and Climate Change Adaptation for Small-Scale Land Users in Sub-Saharan Africa

   Critchley, W., Harari, N., Mollee, E., Bern, U. & Bern, U., 10 Meh 2023, Yn: Land. 12, 6, 1206.

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

8. Cyhoeddwyd

   Sustainable Management of Riparian Woodlands: The Environmental Attributes and Institutional Perspectives.

   De Zoysa, M., McDonald, M. A. & Price, C., 1 Ion 2007.

   Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

9. Cyhoeddwyd

   Sustainable forest management, pecuniary externalities and invisible stakeholders.

   Price, C., 1 Ebr 2007, Yn: Forest Policy and Economics. 9, 7, t. 751-762

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

10. Cyhoeddwyd

    Sustainable intensification of China's agriculture: the key role of nutrient management and climate change mitigation and adaptation

    Lu, Y. L., Chadwick, D. R., Norse, D., Powlsond, D. & Shi, W. M., 17 Meh 2015, Yn: Agriculture, Ecosystems and Environment. 209, t. 1-4

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

11. Cyhoeddwyd

    Sustainable nutrient management at field, farm and regional level: Soil testing, nutrient budgets and the trade-off between lime application and greenhouse gas emissions

    Gibbons, J. M., Williamson, J. C., Williams, A. P., Withers, P. J., Hockley, N., Harris, I. A., Hughes, J. W., Taylor, R. L., Jones, D. L. & Healey, J. R., 15 Ebr 2014, Yn: Agriculture, Ecosystems and Environment. 188, t. 48-56

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

12. Cyhoeddwyd

    Sustainable post-industrial land restoration and recreation of high biodiversity natural habitats

    Williamson, J. C., Rowe, E. C., Healey, J. R., Jones, D. L., Holliman, P. J. & Nason, M. A., 1 Ion 2002.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

13. Cyhoeddwyd

    Sustained impact of drought on wet shrublands mediated by soil physical changes

    Dominguez, M. T., Sowerby, A., Smith, A. R., Robinson, D. A., Van Baarsel, S., Mills, R. T., Marshall, M. R., Koller, E., Lebron, I., Hall, J. & Emmett, B. A., 18 Rhag 2014, Yn: Biogeochemistry. 122, 2-3, t. 151-163

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

14. Cyhoeddwyd

    Swimming alters responses to hypoxia in the Adriatic sturgeon Acipenser naccarii.

    McKenzie, D. J., Steffensen, J. F., Korsmeyer, K., Whiteley, N. M., Bronzi, P. & Taylor, E. W., 1 Chwef 2007, Yn: Journal of Fish Biology. 70, 2, t. 651-658

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

15. Cyhoeddwyd

    Symbiosis between nanohaloarchaeon and haloarchaeon is based on utilization of different polysaccharides

    La Cono, V., Messina, E., Rohde, M., Arcadi, E., Ciordia, S., Crisafi, F., Denaro, R., Ferrer, M., Giuliano, L., Golyshin, P., Golyshina, O., Hallsworth, J. E., La Spada, G., Mena, M. C., Merkel, A. Y., Shevchenko, M. A., Smedile, F., Sorokin, D. Y., Toshchakov, S. V. & Yakimov, M. M., 18 Awst 2020, Yn: Proceedings of the National Academy of Sciences of the USA. 117, 33, t. 20223-20234 12 t.

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

16. Cyhoeddwyd

    Symbiotic Rickettsia.

    Braig, H. R., Turner, B. D., Perotti, M. A., Bourtzis, K. (gol.) & Miller, T. A. (gol.), 1 Ion 2008, Insect Symbiosis 3. 2008 gol. Taylor and Francis, t. 221-252

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

17. Cyhoeddwyd

    Sympatric cases of squirrelpox in red and grey squirrels

    Shuttleworth, C., Everest, D., Wood, C. & Holmes, J. P., 7 Mai 2021, Yn: The Veterinary record. 188, 9, t. 358

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

18. Cyhoeddwyd

    Sympatric speciation in mountain roses (Metrosideros) on an oceanic island

    Osborne, O. G., Kafle, T., Brewer, T., Dobreva, M. P., Hutton, I. & Savolainen, V., 31 Awst 2020, Yn: Philosophical Transactions of The Royal Society B: Biological Sciences. 375, 1806, t. 20190542

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

19. Cyhoeddwyd

    Sympatric speciation in the genomic era

    Foote, A., Chwef 2018, Yn: Trends in Ecology and Evolution. 33, 2, t. 85-95 11 t.

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

20. Cyhoeddwyd

    Synthesis and Characterization by a single-crystal XRD study of [H3O]4[Cu7(NH3)2(H2O)4{B24O39(OH)12}]·13H2O: an unusual [{(H2O)2(NH3)Cu}2{B2O3(OH)2}2Cu]2+ trimetallic bis(dihydroxytrioxidodiborate) chain supported by a [{Cu4O}{B20O32(OH)8}]6- cluster.

    Altahan, M., Beckett, M., Coles, S. & Horton, P., Tach 2018, Yn: Journal of Cluster Science. 29, 6, t. 1337-1343

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

21. Cyhoeddwyd

    Synthesis and Lewis acidity of B-O-Si and B-O-Sn derivatives.

    Beckett, M. A., Owen, P., Varma, K. S., Davidson, M. G. (gol.), Hughes, A. K. (gol.), Marder, T. B. (gol.) & Wade, K. (gol.), 1 Ion 2000, Contemporary Boron Chemistry. 2000 gol. Royal Society of Chemistry, t. 100-103

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

22. Cyhoeddwyd

    Synthesis and Lewis acidity of triorganosilyl and triorganostannyl esters of orthoboric, metaboric and arylboronic acids

    Beckett, M., Owen, P. & Varma, K. S., 1999, Yn: Journal of Organometallic Chemistry. 588, 1, t. 107-112 6 t.

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

23. Cyhoeddwyd

    Synthesis and Photoreactivity of 4,5-Dithienyl[1,3]dithiol-2-ones.

    Robert-Bleming, S. J., Davies, G. L., Kalaji, M., Murphy, P. J., Celli, A. M., Donati, D. & Ponticelli, F., 1 Awst 2003, Yn: Journal of Organic Chemistry. 68, 18, t. 7115-7118

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

24. Cyhoeddwyd

    Synthesis and Structural Characterization of an Unprecedented Nonmetal Cation Polyborate Salt Containing Two Different “Isolated” Polyborate Anions: [H2en]2[B4O5(OH)4][B7O9(OH)5]·3H2O (en = H2NCH2CH2NH2)

    Beckett, M. A., Horton, P. N., Coles, S. K. & Martin, D. W., 5 Rhag 2011, Yn: Inorganic Chemistry. 50, 23, t. 12215-12218

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

25. Cyhoeddwyd

    Synthesis and X-ray characterisation of organotriboroxinate salts [Me3NCH2CH2CH2OH][Ph4B3O3] and [NEt3H][Ph3B3O3(OH)], and the X-ray structure of the triaryboroxine, (4-MeOC6H4)3B3O3

    Beckett, M. A., Coles, S. J., Light, M. E., Fischer, L., Stiefvater-Thomas, B. M. & Sukuma Varma, K., 6 Maw 2006, Yn: Polyhedron. 25, 4, t. 1011-1016

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

26. Cyhoeddwyd

    Synthesis and X-ray structural studies of pentaborate(1−) salts containing substituted imidazolium cations

    Beckett, M. A., Horton, P. N., Hursthouse, M. B. & Timmis, J. L., 19 Ebr 2014, Yn: Polyhedron. 77, t. 96-102

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

27. Cyhoeddwyd

    Synthesis and XRD study of an C2-linked bis(quaternary ammonium) pentaborate: [Me3NCH2CH2NMe3][B5O6(OH)4]2

    Beckett, M., Coles, S. J., Horton, P. N. & Rixon, T., 3 Hyd 2019, Yn: Phosphorus, Sulfur and Silicon and the Related Elements. 194, 10, t. 952-955

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

28. Cyhoeddwyd

    Synthesis and applications of C2 Symmetric Guanidine Bases.

    Allingham, M. T., Howard-Jones, A., Murphy, P. J., Thomas, D. A. & Caulkett, P. W., 24 Tach 2003, Yn: Tetrahedron Letters. 44, 48, t. 8677-8680

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

29. Cyhoeddwyd

    Synthesis and biological activity of analogues of batzelladine F

    Vale, S. A., Bennett, E. L., Black, G. P., Brown, P., Hizi, A., Jaffar, M., Leyland, J. P., Martin, C., Oz-Gleenberg, I., Murphy, P. J., Roberts, T. D. & Thornhill, A. J., 6 Chwef 2013, Yn: Tetrahedron. 69, 14, t. 3061-3066

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

30. Cyhoeddwyd

    Synthesis and biological activity of analogues of ptilomycalin A.

    Black, G. P., Coles, S. J., Hizi, A., Howard-Jones, A. G., Hursthouse, M. B., McGown, A. T., Loya, S., Moore, C. G., Murphy, P. J., Smith, N. K. & Walshe, N. D., 7 Mai 2001, Yn: Tetrahedron Letters. 42, 19, t. 3377-3381

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

31. Cyhoeddwyd

    Synthesis and characterisation of low band gap polymers

    Gunatunga, S. R., Jones, G. W., Kalaji, M., Murphy, P. J., Taylor, D. M. & Williams, G. O., Ion 1997, Yn: Synthetic Metals. 84, 1-3, t. 973-974 2 t.

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

32. Cyhoeddwyd

    Synthesis and characterization of a series of Group 7 metal 2,2,2,2-dicarbonylbis (triorganophosphine)-arachno-2-metallatetraboranes, [M(CO)2L2(B3H8)] (M=Re, Mn); crystal and molecular structures of [Re(CO)2(dppf)(B3H8)] (M=Re, Mn); crystal and molecular structures of [Re(CO)2(dppf)(B3H8)] and [Mn(CO)2(dppe)(B3H8)]

    Beckett, M. A., Brassington, D. S., Coles, S. J., Gelbrich, T. & Hursthouse, M. B., 15 Meh 2003, Yn: Polyhedron. 22, 12, t. 1627-1632

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

33. Cyhoeddwyd

    Synthesis and characterization of a tertiary amine:boric acid (1:1) co-crystal and a neutral zwitterionic diamine pentaboron adduct

    Altahan, M., Beckett, M., Coles, S., Horton, P. & Jones, C., 1 Medi 2022, Yn: Inorganica Chimica Acta. 539, 120998.

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

34. Cyhoeddwyd

    Synthesis and characterization of amine adducts of tri(4-bromophenyl)boroxine, tri(3-nitrophenyl)boroxine, and tri(3-aminophenyl)boroxine; molecular strcture of 3-picoline.tri(4-bromophenyl)boroxine.

    Beckett, M., Hibbs, D., Hursthouse, MI., Malik, K. M. A., Varma, K. S. & Owen, P., 1998, Yn: Main Group Chemistry. 2, t. 251-258 8 t.

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

35. Cyhoeddwyd

    Synthesis and characterization of amine adducts of tri(4-tolyl)boroxine and tri(3,5-xylyl)boroxine: molecular structure of (4-MeC6H4)3B3O3·cyclohexylamine

    Beckett, M., STRICKLAND, GC., VARMA, KS., HIBBS, DE., HURSTHOUSE, MB. & MALIK, KMA., 1995, Yn: Polyhedron. 14, 19, t. 2623-2630 8 t.

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

36. Cyhoeddwyd

    Synthesis and characterization of cyclo-boratetrasiloxane, (RBO) (Me2SiO)3 (R=nBu, Ar), derivatives

    Beckett, M. A., Rugen-Hankey, M. P. & Varma, K. S., 15 Tach 2003, Yn: Polyhedron. 22, 25-26, t. 3333-3337

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

37. Cyhoeddwyd

    Synthesis and characterization of low band gap polymers

    Gunatunga, S. R., Jones, G. W., Kalaji, M., Murphy, P. J., Taylor, D. M. & Williams, G. O., 1996, Yn: IEE Colloquium (Digest). 242

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

38. Cyhoeddwyd

    Synthesis and characterization of polyborates templated by cationic copper(II) complexes: structural (XRD), spectroscopic, thermal (TGA/DSC) and magnetic properties

    Altahan, M., Beckett, M., Coles, S. & Horton, P. N., 15 Hyd 2017, Yn: Polyhedron. 135, t. 247-257

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

39. Cyhoeddwyd

    Synthesis and characterization of struvite derived from poultry manure as a mineral fertilizer

    Rech, I., Kamogawa, M. Y., Jones, D. L. & Pavinato, P. S., 15 Hyd 2020, Yn: Journal of Environmental Management. 272, 111072.

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

40. Cyhoeddwyd

    Synthesis and characterization of templated pentaborate(1-) salts: X-ray structure of [(2-HOCH2CH2)C4H7NMeH][B5O6(OH)4]·0.3H2O

    Jones, C., Beckett, M., Coles, S. J., Davies, R. & Horton, P. N., 1 Awst 2016, Yn: Phosphorus, Sulfur and Silicon and the Related Elements. 191, 4, t. 628-630

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

41. Cyhoeddwyd

    Synthesis and characterization of triarylborthiins, Ar3B3S3 (Ar = 4-MeC6H4, 3-MeC6H4, 2-MeC6H4, 4-EtC6H4 and 3,5-Me2C6H3)

    Beckett, M. A., Minton, P. R. & Werschkun, B., 1994, Yn: Journal of Organometallic Chemistry. 468, 1-2, t. 37-41 5 t.

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

42. Cyhoeddwyd

    Synthesis and epimerisation studies on carbohydrate derived bicyclic tetronate esters: The synthesis of furanofurans related to the cytotoxic metabolite goniofufurone

    Cagnolini, C., Ferri, M., Jones, P. R., Murphy, P. J., Ayres, B. & Cox, B., 31 Maw 1997, Yn: Tetrahedron. 53, 13, t. 4815-4820 6 t.

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

43. Cyhoeddwyd

    Synthesis and fluxional characteristics of the complexes [M(C5Me5)Cl2L] [M=Rh, Ir; L=Sme2, S(CH2Ph)2, S(CH2SiMeD23)2, Se(CH2SiMe3)2, tetrahydrothiophene

    ABEL, EW., Beckett, M., ELLIS, D., ORRELL, KG., SIK, V. & STEPHENSON, D., 1988, Yn: Journal of Chemical Research-Synopses. 7, t. 232-233 2 t.

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

44. Cyhoeddwyd

    Synthesis and photoreactivity of aryl substituted 4,5-dithienyl[1,3]dithiol-2-ones.

    Blencowe, A., Celli, A. M., Donati, D., Hayes, W. C., Martin, C., Murphy, P. J., Ponticelli, F. & Melville-Richards, J. K., 9 Mai 2009, Yn: Tetrahedron. 65, 19, t. 3858-3862

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

45. Cyhoeddwyd

    Synthesis and properties of functionalized 4 nm scale molecular wires with thiolated termini for self-assembly onto metal surfaces.

    Wang, C., Bryce, M. R., Gigon, J., Ashwell, G. J., Grace, I. & Lambert, C. J., 4 Gorff 2008, Yn: Journal of Organic Chemistry. 73, 13, t. 4810-4818

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

46. Cyhoeddwyd

    Synthesis and properties of methyl 5-(1' R,2 ' S)-(2-octadecylcycloprop-1-yl)pentanoate and other omega- 19 chiral cyclopropane fatty acids and esters related to mycobacterial mycolic acids

    Coxon, G. D., Al-Dulayymi, J., Morehouse, C., Brennan, P. J., Besra, G. S., Baird, M. S. & Minnikin, D. E., 1 Ion 2004, Yn: Chemistry and Physics of Lipids. 127, 1, t. 35-46

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

47. Cyhoeddwyd

    Synthesis and properties of monodisperse oligofluorene-functionalized truxenes: Highly fluorescent star-shaped architectures

    Kanibolotsky, AL., Berridge, R., Skabara, PJ., Perepichka, IF., Bradley, DDC. & Koeberg, M., 27 Hyd 2004, Yn: Journal of the American Chemical Society. 126, 42, t. 13695-13702

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

48. Cyhoeddwyd

    Synthesis and solid state B-11-{H-1} MAS NMR investigations of some group 11 arachno-2-metallatetraboranes.

    Beckett, MA. & Jones, P. W., 1997, Yn: Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry. 27, 1, t. 41-50 10 t.

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

49. Cyhoeddwyd

    Synthesis and spectroscopic characterization of 3,5-diaryl-cyclo-1,2,4-trithia-3,5-diborolanes, Ar2B2S3 (Ar  Ph, 2-MeC6H4, 3-MeC6H4, 4-MeC6H4, 4-EtC6H4, 3,5-Me2C6H3), and some related chemistry of boron-sulphur heterocyclic species

    Beckett, M. A. & Minton, P. R., Chwef 1995, Yn: Journal of Organometallic Chemistry. 487, 1-2, t. 209-214 6 t.

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

50. Cyhoeddwyd

    Synthesis and thermal studies of two phosphonium tetrahy-droxidohexaoxidopentaborate(1-) salts: single-crystal XRD characterization of [iPrPPh3][B5O6(OH)4].3.5H2O and [MePPh3][B5O6(OH)4].B(OH)3.0.5H2O

    Beckett, M., Horton, P., Hursthouse, M. B. & Timmis, J., 29 Medi 2023, Yn: Molecules. 28, 19, 12 t., 6867.

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