By Bruggen Jan M. van   Kirschner Paul A.   in International Journal of Continuing Engineering Education and Life-Long Learnin

ISSN:1560-4624|14|1-2|121-141

Inderscience Publishers‎(2004)‎

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By Brouns Francis   Berlanga Adriana J.   Fetter Sibren   Bitter-Rijpkema Marlies E.   Bruggen Jan M. Van   Sloep Peter B.   in International Journal of Web Based Communities

ISSN:1477-8394|7|3|298-311

Inderscience Publishers‎(2011)‎

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