identify themes of facilitators and barriers across these approaches which can be used as a starting point to develop a best practice framework for the use of PBAs in Wales
nodi themâu hwyluswyr a rhwystrau ar draws y dulliau hyn y gellir eu defnyddio fel man cychwyn i ddatblygu fframwaith arferion gorau ar gyfer defnyddio dulliau gweithredu seiliedig ar le yng Nghymru