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Are you Thomas M. Duffy, author of the books below?
Learner-Centered Theory and Practice in Distance Education by Thomas M. Duffy Online Help by Thomas M. Duffy Designing Environments for Constructive Learning by Thomas M. Duffy Designing Usable Texts by Thomas M. Duffy Constructivism and the Technology of Instruction by Thomas M. Duffy Fundamental Skills Training in the Saudi Naval Expansion Program by Thomas M. Duffy Executive Summary for Designing Online Help Systems by Thomas M. Duffy Help Design Software Project by Thomas M. Duffy Online Help Systems by Thomas M. Duffy Designing Tools to Aid Technical Editors by Thomas M. Duffy


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