Concepedia

Thomas D. Duffy

TD

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Publications

2

Citations

576

H-Index

2

Active since

1974

Thomas D. Duffy is an author specializing in instructional technology, engineering, and natural sciences.

Top concepts

Publications per year

1974–1991

2

Publications

2

Constructivism: new implications for instructional technology?

Thomas D. Duffy, David H. Jonassen · Educational Technology archive · 1991 · 561 citations

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Pyrrolo[2,3-d]pyrimidines. Synthesis from 4-pyrimidylhydrazones, a 2-bis(methylthio)methyleneaminopyrrole-3-carbonitrile, and a pyrrolo[2,3-d][1,3]thiazine-2(1H)-thione

Thomas D. Duffy, D. G. Wibberley · Journal of the Chemical Society Perkin Transactions 1 · 1974 · 15 citations

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