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Hidlo yn ôl (9 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 23/03/2021
pdf, 1.12 MB Added 23/03/2021
Adroddiad thematig | 15/10/2020
pdf, 3.47 MB Added 15/10/2020
Adroddiad thematig | 15/10/2020
pptx, 221.57 KB Added 15/10/2020
Adroddiad thematig | 20/07/2018
pptx, 181.65 KB Added 20/07/2018
Adroddiad thematig | 27/04/2018
pdf, 3.1 MB Added 27/04/2018
Adroddiad thematig | 07/12/2016
pdf, 1.48 MB Added 07/12/2016
Adroddiad thematig | 01/05/2012
pdf, 693.21 KB Added 01/05/2012
Adroddiad thematig | 01/07/2009
pdf, 276.71 KB Added 01/07/2009