Over 300 items of written evidence were considered, sifted, summarised then discussed, prioritised and supplemented, by the Steering Group, in what was an iterative process.
Cafodd dros 300 o eitemau o dystiolaeth ysgrifenedig eu hystyried, eu didoli, eu crynhoi a’u trafod, eu blaenoriaethu a’u hategu gan y Grŵp Llywio, mewn proses ailadroddus.