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Author: Martin V. Covington [ All ]

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  Title Copies
Making the Grade: A Self-Worth Perspective on Motivation and School Reform 
Year: 1992 
ISBN: 052134803X 
ISBN 13: 9780521348034 
The Will to Learn: A Guide for Motivating Young People 
Year: 1997 
ISBN: 0521556791 
ISBN 13: 9780521556798