European Commission. (2007). Recognition and validation of non-formal and informal learning for VET teachers and trainers in the EU Member States. Luxembourg: Office for Official Publications of the European Communities.

European Commission. Recognition and Validation of Non-formal and Informal Learning for VET Teachers and Trainers in the EU Member States. Luxembourg: Office for Official Publications of the European Communities, 2007.

European Commission. Recognition and Validation of Non-formal and Informal Learning for VET Teachers and Trainers in the EU Member States. Luxembourg: Office for Official Publications of the European Communities, 2007.