Ethnic background of pupils aged 5 or over by school and local authority, 2021, file type: ODS, file size: 82 KB
Cefndir ethnig disgyblion 5 oed neu'n hŷn fesul ysgol ac awdurdod lleol, 2021, Saesneg yn unig, math o ffeil: ODS, maint ffeil: 82 KB