By Slettenhaar H.K.   Kommers P.A.M.   in International Journal of Continuing Engineering Education and Life-Long Learnin

ISSN:1560-4624|20|1|84-88

Inderscience Publishers‎(2010)‎

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By Bonanno Philip   Kommers P. A. M.   in Educational Psychology

ISSN:1469-5820|25|1|13-41

Routledge Ltd‎(2005)‎

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