By Laughbaum Edward D.   in Community College Journal of Research and Practice

ISSN:1521-0413|25|5-6|383-390

Routledge Ltd‎(2001)‎

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By Laughbaum Edward D.   in International Journal of Continuing Engineering Education and Life-Long Learnin

ISSN:1560-4624|18|5-6|585-597

Inderscience Publishers‎(2008)‎

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