By Brinkerhoff Jonathan   Glazewski Krista   in International Journal of Learning Technology

ISSN:1477-8386|1|2|219-230

Inderscience Publishers‎(2004)‎

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By Kingsley Karla   Brinkerhoff Jonathan   in Social Studies and the Young Learner

ISSN:1056-0300|23|3|9-13

National Council for the Social Studies‎(2011)‎

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