Descy, P., & Tessaring, M. (2004). The foundations of evaluation and impact research: Third report on vocational training research in Europe : background report. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleDescy, Pascaline., and Manfred Tessaring. The Foundations of Evaluation and Impact Research: Third Report On Vocational Training Research in Europe : Background Report. Luxembourg: Office for Official Publications of the European Communities, 2004.
Παραπομπή MLADescy, Pascaline., and Manfred Tessaring. The Foundations of Evaluation and Impact Research: Third Report On Vocational Training Research in Europe : Background Report. Luxembourg: Office for Official Publications of the European Communities, 2004.