1. Cyhoeddwyd

   The mixed‐bed glacial landform imprint of the North Sea Lobe in the western North Sea

   Roberts, D. H., Grimoldi, E., Callard, L., Evans, D. J. A., Clark, C. D., Stewart, H. A., Dove, D., Saher, M., O'Cofaigh, C., Chiverrell, R. C., Bateman, M. D., Moreton, S. G., Bradwell, T., Fabel, D. & Medialdea, A., Mai 2019, Yn: Earth Surface Processes and Landforms. 44, 6, t. 1233-1258

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

2. Cyhoeddwyd

   The mobility of nitrification inhibitors under simulated ruminant urine deposition and rainfall: a comparison between DCD and DMPP

   Marsden, K. A., Marin-Martinez, A. J., Vallejo, A., Hill, P. W., Jones, D. & Chadwick, D. R., 1 Mai 2016, Yn: Biology and Fertility of Soils. 52, 4, t. 491-503

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

3. Cyhoeddwyd

   The more-than-economic dimensions of cooperation in food production

   Emery, S., Wynne-Jones, S. & Forney, J., Gorff 2017, Yn: Journal of Rural Studies. 53, t. 229-238

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Golygyddiad

4. Cyhoeddwyd

   The morphology and electrical conductivity of single-wall carbon nanotube thin films prepared by the Langmuir-Blodgett technique.

   Venet, C., Pearson, C., Jombert, A. S., Mabrook, M. F., Zeze, D. A. & Petty, M. C., 5 Chwef 2010, Yn: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 354, 1-3, t. 113-117

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

5. Cyhoeddwyd

   The morphology, electrical conductivity and vapour sensing ability of inkjet printed thin films of single-wall carbon nanotubes.

   Mabrook, M. F., Pearson, C., Jombert, A. S., Zeze, D. A. & Petty, M. C., 1 Maw 2009, Yn: Carbon. 47, 3, t. 752-757

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

6. Cyhoeddwyd

   The mosaic genome structure of the Wolbachia wRi strain infecting Drosophila simulans.

   Klasson, L., Westberg, J., Sapountzis, P., Naslund, K., Lutnaes, Y., Darby, A. C., Veneti, Z., Chen, L., Braig, H. R., Garrett, R., Bourtzis, K. & Andersson, S. G., 7 Ebr 2009, Yn: Proceedings of the National Academy of Sciences of the USA. 106, 14, t. 5725-5730

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

7. Cyhoeddwyd

   The naphthalene catabolic (nag) genes of Ralstonia sp strain U2 are an operon that is regulated by NagR, a LysR-type transcriptional regulator

   Jones, R., Britt-Compton, B. M. & Williams, P. A., 1 Hyd 2003, Yn: Journal of Bacteriology. 185, 19, t. 5847-5853

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

8. Cyhoeddwyd

   The narrow shelf concept: couplings and fluxes.

   Sanchez-Arcilla, A. & Simpson, J. H., 1 Ion 2002, Yn: Continental Shelf Research. 22, 2, t. 153-172

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

9. E-gyhoeddi cyn argraffu

   The nature gaze: eye tracking experiment reveals wellbeing benefits derived visual attention toward elements of nature

   Fleming, W., Rizowy, B. & Shwartz, A., 4 Meh 2024, (E-gyhoeddi cyn argraffu) Yn: People and Nature.

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

10. Cyhoeddwyd

    The nature species in ancient lakes: perspectives from the fishes of Lake Malawi.

    Turner, G. F., 1 Awst 2000, Yn: Advances in Ecological Research. 31, t. 39-60

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

11. Cyhoeddwyd

    The navigation of navigation.

    Last, J. D., 1 Ion 2009.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

12. Cyhoeddwyd

    The need for a people’s perspective when exploring climate change and cultural heritage

    Forino, G., Yorke, L., Robinson, G., Austin, M., Sieradzan, K. & Hewitt, J., 28 Meh 2023, Royal Geographical Society with the Institute of British Geographers .

    Allbwn ymchwil: Cyfraniad arall › Cyfraniad Arall › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    The need for evidence-based conservation.

    Sutherland, W. J., Pullin, A. S., Dolman, P. M. & Knight, T. M., 1 Meh 2004, Yn: Trends in Ecology and Evolution. 19, 6, t. 305-308

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

14. Cyhoeddwyd

    The need for operational forecasting during oil spill response.

    Elliott, A. J. & Jones, B., 1 Chwef 2000, Yn: Marine Pollution Bulletin. 40, 2, t. 110-121

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

15. Cyhoeddwyd

    The novel extremely acidophilic, cell-wall-deficient archaeon Cuniculiplasma divulgatum gen. nov., sp. nov. represents a new family, Cuniculiplasmataceae fam. nov., of the order Thermoplasmatales

    Golyshina, O., Lünsdorf, H., Kublanov, I. V., Goldenstein, N. I., Hinrichs, K-U. & Golyshin, P., Ion 2016, Yn: International Journal of Systematic and Evolutionary Microbiology. 66, 1, t. 332-340

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

16. Cyhoeddwyd

    The nutritional value of algae grown under different culture conditions for Mytilus edulis L-larvae.

    Leonardos, N. & Lucas, I. A., 15 Chwef 2000, Yn: Aquaculture. 182, 3-4, t. 301-315

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

17. Cyhoeddwyd

    The nutritional value of meat should be considered when comparing the carbon footprint of lambs produced on different finishing diets

    McNicol, L., Perkins, L., Gibbons, J., Scollan, N. D., Nugent, A., Thomas, E., Swancott, E., McRoberts, C., White, A., Chambers, S., Farmer, L. & Williams, P., 20 Chwef 2024, Yn: Frontiers in Sustainable Food Systems. 8, 1321288.

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

18. Cyhoeddwyd

    The nutritive value of forage sorghum genotypes developed for the dry tropical highlands of Kenya as feed source for ruminants.

    Omed, H., Ouda, J. O., Njehia, G. K., Moss, A. R., Omed, H. M. & Nsahlai, I. V., 1 Ion 2005, Yn: South African Journal of Animal Science. 35, 1, t. 55-60

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

19. Cyhoeddwyd

    The occurrence of Metatrichoniscoides leydigii (Weber, 1880) (Isopoda:Oniscidea) on the Ribble Estuary, Lancashire

    Hughes, T., 2020, Yn: Bulletin of the British Myriapod and Isopod Group. 32, t. 56-58 3 t.

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

20. Cyhoeddwyd

    The occurrence of imposex in Hexaplex trunculus from the Croatian Adriatic.

    Prime, M., Peharda, M., Jelic, K., Mladineo, I. & Richardson, C. A., 1 Gorff 2006, Yn: Marine Pollution Bulletin. 52, 7, t. 810-812

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

21. Cyhoeddwyd

    The occurrence of the copepods Stephos longipes (Calanoida) and Drescheriella glacialis (Harpacticoida) in summer sea ice in the Weddell Sea.

    Schnack-Schiel, S. B., Thomas, D. N., Haas, C., Dieckmann, G. S. & Alheit, R., 1 Meh 2001, Yn: Antarctic Science. 13, 2, t. 150-157

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

22. Cyhoeddwyd

    The ocean sampling day consortium

    Golyshin, P., Kopf, A., Bicak, M., Kottmann, R., Schnetzer, J., Kostadinov, I., Lehmann, K., Fernandez-Guerra, A., Jeanthon, C., Rahav, E., Ullrich, M., Wichels, A., Gerdts, G., Polymenakou, P., Kotoulas, G., Siam, R., Abdallah, R. Z., Sonnenschein, E. C., Cariou, T., O'Gara, F., Jackson, S., Orlic, S., Steinke, M., Busch, J., Duarte, B., Cacador, I., Canning-Clode, J., Bobrova, O., Marteinsson, V., Reynisson, E., Loureiro, C. M., Luna, G. M., Quero, G. M., Loscher, C. R., Kremp, A., DeLorenzo, M. E., Ovreas, L., Tolman, J., LaRoche, J., Penna, A., Frischer, M., Davis, T., Katherine, B., Meyer, C. P., Ramos, S., Magalhaes, C., Jude-Lemeilleur, F., Aguirre-Macedo, M. L., Wang, S., Poulton, N., Jones, S., Collin, R., Fuhrman, J. A., Conan, P., Alonso, C., Stambler, N., Goodwin, K., Yakimov, M. M., Baltar, F., Bodrossy, L., Van De Kamp, J., Frampton, D. M., Ostrowski, M., Van Ruth, P., Malthouse, P., Claus, S., Deneudt, K., Mortelmans, J., Pitois, S., Wallom, D., Salter, I., Costa, R., Schroeder, D. C., Kandil, M. M., Amaral, V., Biancalana, F., Santana, R., Pedrotti, M. L., Yoshida, T., Ogata, H., Ingleton, T., Munnik, K., Rodriguez-Ezpeleta, N., Berteaux-Lecellier, V., Wecker, P., Cancio, I., Vaulot, D., Bienhold, C., Ghazal, H., Chaouni, B., Essayeh, S., Ettamimi, S., Zaid, E., Boukhatem, N., Bouali, A., Chahboune, R., Barrijal, S., Timinouni, M., El Otmani, F., Bennani, M., Mea, M., Todorova, N., Karamfilov, V., ten Hoopen, P., Cochrane, G., L'Haridon, S., Bizsel, K. C., Vezzi, A., Lauro, F. M., Martin, P., Jensen, R. M., Hinks, J., Gebbels, S., Rosselli, R., De Pascale, F., Schiavon, R., dos Santos, A., Villar, E., Pesant, S., Cataletto, B., Malfatti, F., Edirisinghe, R., Silveira, J. A., Barbier, M., Turk, V., Tinta, T., Fuller, W. J., Salihoglu, I., Serakinci, N., Ergoren, M. C., Bresnan, E., Iriberri, J., Nyhus, P. A., Bente, E., Karlsen, H. E., Golyshin, P. N., Gasol, J. M., Moncheva, S., Dzhembekova, N., Johnson, Z., Sinigalliano, C. D., Gidley, M. L., Zingone, A., Danovaro, R. & Tsiamis, G., 19 Meh 2015, Yn: Giga Science. 4, 27

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

23. Cyhoeddwyd

    The optical efficiency of flocs in shelf seas and estuaries.

    Bowers, D. G., Braithwaite, K. M., Nimmo-Smith, W. A. & Graham, G. W., 10 Chwef 2011, Yn: Estuarine, Coastal and Shelf Science. 91, 3, t. 341-350

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

24. Cyhoeddwyd

    The orientationally controlled assembly of genetically modified enzymes in an amperometric biosensor

    Gwenin, C., Kalaji, M., Williams, P. A. & Jones, R. M., 15 Meh 2007, Yn: Biosensors and Bioelectronics. 22, 12, t. 2869-2875

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

25. Cyhoeddwyd

    The origin and evolution of the Toxicofera reptile venom system.

    Fry, B. G., Sunagar, K., Casewell, N. R., Kochva, E., Roelants, K., Scheib, H., Wüster, W., Vidal, N., Young, B., Burbink, F., Pyron, R. A., Vonk, F. J. & Jackson, T. N. W., Rhag 2015, Venomous Reptiles and Their Toxins: Evolution, Pathophysiology and Biodiscovery. Fry, B. G. (gol.). Oxford: Oxford: OUP, t. 1 31 t.

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

26. Cyhoeddwyd

    The origin and hazard of inputs to crop protection in organic farming systems: Are they sustainable?

    Edwards-Jones, G. & Howells, O., 1 Ion 2001, Yn: Agricultural Systems. 67, 1, t. 31-47

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

27. Cyhoeddwyd

    The origin of Heinrich layers: evidence from H2 for European precursor events.

    Scourse, J. D., Hall, I. R., McCave, I. N., Young, J. R. & Sugdon, C., 1 Ion 2001.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

28. Cyhoeddwyd

    The origin of Heinrich layers: evidence from H2 for European precursor events.

    Scourse, J. D., Hall, I. R., McCave, I. N., Young, J. R. & Sugdon, C., 1 Ion 2001.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

29. Cyhoeddwyd

    The origin of Heinrich layers: evidence from H2 for European precursor events.

    Scourse, J. D., Hall, I. R., McCave, I. N., Young, J. R. & Sugdon, C., 30 Hyd 2000, Yn: Earth and Planetary Science Letters. 182, 2, t. 187-195

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

30. Cyhoeddwyd

    The oxidation of uranium diboride in flowing air atmospheres

    Mistarihi, Q., Martini, F., Buckley, J., Middleburgh, S., Abram, T. & Turner, J., 1 Gorff 2023, Yn: Journal of Nuclear Materials. 154417.

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

31. Cyhoeddwyd

    The pH optimum of soil exoenzymes adapt to long term changes in soil pH

    Puissant, J., Jones, B., Goodall, T., Mang, D., Blaud, A., Gweon, H. S., Malik, A., Jones, D. L., Clark, I. M., Hirsch, P. R. & Griffiths, R., Tach 2019, Yn: Soil Biology and Biochemistry. 138, 107601.

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

32. Cyhoeddwyd

    The pace of shifting seasons in lakes

    Woolway, R. I., 13 Ebr 2023, Yn: Nature Communications. 14, 2101.

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

33. Cyhoeddwyd

    The paradox of extreme high-altitude migration in bar-headed geese Anser indicus

    Hawkes, L. A., Balachandran, S., Batbayar, N., Butler, P. J., Chua, B., Douglas, D. C., Frappell, P. B., Hou, Y., Milsom, W. K., Newman, S. H., Prosser, D. J., Sathiyaselvam, P., Scott, G. R., Takekawa, J. Y., Natsagdorj, T., Wikelski, M., Witt, M. J., Yan, B. & Bishop, C. M., 18 Maw 2013, Yn: Proceedings of the Royal Society B: Biological Sciences. 280, t. 1750

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

34. Cyhoeddwyd

    The passive control of air pollution exposure in Dublin, Ireland: A combined measurement and modelling case study

    Gallagher, J., Gill, L. W. & MacNabola, A., 1 Awst 2013, Yn: Science of the Total Environment. 458, t. 331-343

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

35. Cyhoeddwyd

    The path for innovative severe accident neutronics studies in ZPRs - Analysis of SNEAK-12B experiments for core disruption in LMFBRs

    Margulis, M., Blaise, P., Gabrielli, F., Gruel, A., Mellier, F. & Gilad, E., 1 Chwef 2019, Yn: Annals of Nuclear Energy. 124, t. 119-131

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

36. Cyhoeddwyd

    The path for innovative severe accident neutronics studies in ZPRs. Part I.1-Analysis of SNEAK-12A experiments for core disruption in LMFBRs

    Margulis, M., Blaise, P., Gabrielli, F., Gruel, A., Mellier, F. & Gilad, E., 1 Ion 2017, Yn: Progress in Nuclear Energy. 94, t. 106-125

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

37. Cyhoeddwyd

    The path for innovative severe accident neutronics studies in ZPRs. Part II.2-Interpretation of SNEAK-12B experiment for core disruption in LMFBRs impact of nuclear data uncertainties on reactivity coefficients

    Margulis, M., Blaise, P., Mellier, F. & Gilad, E., 1 Mai 2018, Yn: Progress in Nuclear Energy. 105, t. 124-135

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

38. Cyhoeddwyd

    The path for innovative severe accident neutronics studies in ZPRs. part I.2-Interpretation of SNEAK-12A experiment for core disruption in LMFBRs impact of nuclear data uncertainties on reactivity coefficients

    Margulis, M., Blaise, P., Mellier, F. & Gilad, E., 1 Ebr 2017, Yn: Progress in Nuclear Energy. 96, t. 97-117

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

39. Cyhoeddwyd

    The patterns of bacterial community and relationships between sulfate-reducing bacteria and hydrochemistry in sulfate-polluted groundwater of Baogang rare earth tailings

    An, X., Baker, P., Li, H., Su, J., Yu, C. & Cai, C., Tach 2016, Yn: Environmental Science and Pollution Research. t. 21766-21779 13 t.

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

40. Cyhoeddwyd

    The perfect invader: a parthenogenic crayfish poses a new threat to Madagascar's freshwater biodiversity.

    Jones, J. P. G., Rasamy, J. R., Harvey, A., Toon, A., Oidtmann, B., Randrianarison, M. H., Raminosoa, N. & Ravoahangimalala, O. R., 1 Meh 2009, Yn: Biological Invasions. 11, 6, t. 1475-1482

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

41. Cyhoeddwyd

    The periodic table at a glance.

    Beckett, M. A. & Platt, A. W., 1 Ion 2006, Wiley-Blackwell.

    Allbwn ymchwil: Llyfr/Adroddiad › Llyfr

42. Cyhoeddwyd

    The persistent spatial patchiness of limpet grazing.

    Johnson, M. P., Hanley, M. E., Frost, N. J., Mosley, M. W. & Hawkins, S. J., 31 Hyd 2008, Yn: Journal of Experimental Marine Biology and Ecology. 365, 2, t. 136-141

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

43. Cyhoeddwyd

    The pervasive role of biological cohesion in bedform development

    Malarkey, J., Baas, J. H., Hope, J. A., Aspenden, R. J., Parsons, D. R., Peakall, J., Peterson, D. M., Schindler, R. J., Ye, L., Lichtman, I. D., Bass, S. J., Davies, A. G., Manning, A. J. & Thorne, P. D., 6 Chwef 2015, Yn: Nature Communications. 6, 6257

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

44. Cyhoeddwyd

    The phase lag of turbulent dissipation in tidal flow.

    Simpson, J. H., Rippeth, T. P., Campbell, A. R. & Yanagi, T. (gol.), 1 Ion 2000, Interactions between Estuaries: Coastal Seas and Shelf Seas. 2000 gol. Terra Scientific Publishing, t. 57-67

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

45. Cyhoeddwyd

    The photonics academy for Wales.

    Shore, K. A., Barwis, V., Davies, R., Doodson, S., Jones, D., Lord, J., Martin, A., Maxwell, I., Rimmer, D. & Smith, C., 1 Meh 2007.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

46. Cyhoeddwyd

    The phylogeny of cobras inferred from mitochondrial DNA sequences: Evolution of venom spitting and the phylogeography of the African spitting cobras (Serpentes : Elapidae : Naja nigricollia complex)

    Wuster, W., Wüster, W., Crookes, S., Ineich, I., Mane, Y., Pook, C. E., Trape, J. F. & Broadley, D. G., 1 Tach 2007, Yn: Molecular Phylogenetics and Evolution. 45, 2, t. 437-453

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

47. Cyhoeddwyd

    The platform for European root science, COST action E38: an introduction and overview.

    Godbold, D. L. & Brunner, I., 1 Tach 2007, Yn: Plant Biosystems. 141, 3, t. 390-393

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

48. Cyhoeddwyd

    The policy role of systematic reviews: Past, present and future

    Haddaway, N. R. & Pullin, A. S., 29 Hyd 2014, Yn: Springer Science Reviews. 2, 1-2, t. 179-183

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

49. Cyhoeddwyd

    The political economy of forest entitlements: can community based forest management reduce vulnerability at the forest margin?

    Chomba, S., Treue, T. & Sinclair, F. L., 12 Rhag 2014, Yn: Forest Policy and Economics. 58, t. 37-46

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

50. Cyhoeddwyd

    The politics of "non-planning" interventions in African cities: unravelling the international and local dimensions in Harare and Maputo.

    Kamete, A., Kamete, A. Y. & Lindell, I., 1 Rhag 2010, Yn: Journal of Southern African Studies. 36, 4, t. 889-912

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