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Hidlo yn ôl (9 canlyniad, wedi trefnu yn ôl y diweddaraf)
Adroddiad thematig | 01/05/2015
pdf, 425.27 KB Added 01/05/2015
Adroddiad thematig | 01/05/2015
pptx, 886.4 KB Added 01/05/2015
Adroddiad thematig | 01/12/2013
pdf, 592.79 KB Added 01/12/2013
Adroddiad thematig | 01/12/2013
pptx, 368.2 KB Added 01/12/2013
Adroddiad thematig | 01/09/2011
pdf, 563.07 KB Added 01/09/2011
Adroddiad thematig | 01/09/2011
pdf, 500.25 KB Added 01/09/2011
Adroddiad thematig | 01/09/2009
pdf, 6.21 MB Added 01/09/2009
Adroddiad thematig | 01/06/2009
pdf, 444.05 KB Added 01/06/2009