The study is being led by Professor Mark Llewellyn (University of South Wales) in partnership with Professor Fiona Verity (Swansea University).
Arweinir yr astudiaeth gan yr Athro Mark Llewellyn (Prifysgol De Cymru) mewn partneriaeth â’r Athro Fiona Verity (Prifysgol Abertawe).