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Helen Leland Witmer
Helen Leland Witmer is the author of "The Effectiveness of Delinquency Prevention Programs", "The Effectiveness of Delinquency Prevention Programs - Primary Source Edition", "Parents and Delinquency; a Report of a Conference" and "New Perspectives for Research on...
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Books by Helen Leland Witmer
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New Perspectives ...
Witmer, Helen Leland
Hardback:
$22.95
Parents and Delin...
Witmer, Helen Leland
Hardback:
$21.95
The Effectiveness...
Witmer, Helen Leland
Paperback:
$17.75
Parents and Delin...
Witmer, Helen Leland
Paperback:
$10.95