Where and when people learn to speak Welsh (National Survey for Wales), April 2018 to March 2019, file type: PDF, file size: 2 MB
Ble a phryd y mae pobl yn dysgu’r Gymraeg (Arolwg Cenedlaethol Cymru), Ebrill 2018 i Fawrth 2019, math o ffeil: PDF, maint ffeil: 2 MB