Referred to as the 2015/18 ESF Participants Survey, this study involved interviews with people who had left their ESF course between January 2015 and April 2018.
Cyfeirir ato fel Arolwg Cyfranogwyr ESF 2015/18, ac roedd yr astudiaeth hon yn cynnwys cyfweliadau â phobl a oedd wedi gadael eu cwrs ESF rhwng Ionawr 2015 ac Ebrill 2018.