3Wim J. Nijhof et al.(eds) (2002), Shaping Flexibility in Vocational Education and Training, Published by Kluwer Academic Publishers.
4Stephen Billett (2003), Vocational Curriculum and Pedagogy: An Activity Theory Perspective, European Educational Research Journal, Volume 2,Number 1.
5Sue E. Berryman, Designing Effective Learning Environments: Cognitive Apprenticeship Models, Institute on Education and The Economy, Columbia University, New York. Source: http://www.ilt.columbia.edu/ilt/papers/bery1.html.
6Curtis R. Finch et al. (1999), Curriculum Development in Vocational and Technical Education: Planning, Content, and Implementation, Published by Allyn & Bacon.
7Rodney L. Custer et al.(2000), Using Authentic Assessment in Vocational Education, Source: http://www-tcall.tamu.edu/erica/mp_custer_01 .asp.
8Kerka, Sandra(1997), Constructivism, Workplace Learning, and Vocational Education, Source: http://www.ericdigests.org/1998-1/leaming.htm.
