1. The adult learner. A neglected species;Knowles, M.,1990
2. The psychological basis of problem-based learning: a review of the evidence;Norman, G.R.; Schmidt, H.G.;Acad Med,1992
3. How students learn in a problem-based curricsulum;Dolmans, D.,1994
4. Foundations of problem-based learning: some explanatory notes;Schmidt, H.G.;Med Educ,1993
5. Intrinsieke motivatie en studieprestatie: enkele verkennende onderzoekingen;Schmidt, H.G.;Pedagogische Studien,1983