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> Helms Donald B.
Helms Donald B.
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Student's Workbook for Exploring Child Behavior
978-O-7216-4636-7
(O-7216-4636-O)
1976
Turner Jeffrey S.
D B
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Donald B.
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Donald B. Helms
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H B
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H.D.
Helmut D. Fangmann