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Hidlo yn ôl (8 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 27/04/2022
pdf, 395.05 KB Added 27/04/2022
Adroddiad thematig | 08/12/2021
pdf, 1.21 MB Added 08/12/2021
Adroddiad thematig | 23/06/2017
pdf, 1.18 MB Added 23/06/2017
Adroddiad thematig | 23/06/2017
pptx, 168.88 KB Added 23/06/2017
Adroddiad thematig | 07/12/2016
pdf, 1.48 MB Added 07/12/2016
Adroddiad thematig | 01/06/2014
pdf, 636.38 KB Added 01/06/2014
Adroddiad thematig | 01/06/2014
pptx, 293.14 KB Added 01/06/2014