Hearing impaired pupils on roll in maintained primary, middle and secondary schools, February 2022, file type: ODS, file size: 24 KB
Disgyblion â nam ar eu clyw ar gofrestr ysgolion cynradd, canol ac uwchradd a gynhelir, Chwefror 2022, Saesneg yn unig, math o ffeil: ODS, maint ffeil: 24 KB