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> George A. Letchworth
George A. Letchworth
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Educational Psychology
978-O-8O13-O422-4
(O-8O13-O422-9)
1990
Thomas Good
A.L.
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G. A.
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G L.
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George A.
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George L.
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George Letchworth
George A. Lindbeck