By Howland Jane L.   Moore Joi L.   in Distance Education

ISSN:0158-7919|23|2|183-195

Routledge Ltd‎(2002)‎

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By Marra Rose M.   Howland Jane   Jonassen David H.   Wedman John   in International Journal of Learning Technology

ISSN:1477-8386|1|1|63-83

Inderscience Publishers‎(2003)‎

Access to resources Favorite 7.9988317