Books by Thomas M. Duffy

Cover of Constructivism and the technology of instruction

Constructivism and the technology of instruction

by Thomas M. Duffy, David H. Jonassen

1992

Cover of Learner-centered theory and practice in distance education

Learner-centered theory and practice in distance education

by Thomas M. Duffy

2003

Cover of Constructivist instruction

Constructivist instruction

by Sigmund Tobias, Thomas M. Duffy

2009

Cover of Designing usable texts

Designing usable texts

by Thomas M. Duffy, Robert Waller

1985

Cover of Online help

Online help

by Thomas M. Duffy

1992

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