8Knoll, M. The Project Method: Its Vocational Education Origin and International Development. Journal of Industrial Teacher Education, 1997. Vol. 34, No. 3.
9Fuller, A & L. Unwin (1998). Reconceptualising Apprenticeship : Exploring the Relationship between Work and Learning. Journal of Vocational Education and Training, Vol.50, No. 2.
10Rauner.F:Reformbedarf in der berufliche Bildung, (Hrg.)Berufliche bildung auf dem Pruefstand,Bremen, 1998
