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Covington, Martin V. (University of California, Berkeley)のリリース

Cover for Covington, Martin V. (University of California, Berkeley) · The Will to Learn: A Guide for Motivating Young People (Hardcover Book) (1998)
Hardcover Book
The Will to Learn: A Guide for M...
Covington, Martin V. (University...
Cover for Covington, Martin V. (University of California, Berkeley) · Making the Grade: A Self-Worth Perspective on Motivation and School Reform (Hardcover Book) (1992)
Hardcover Book
Making the Grade: A Self-Worth P...
Covington, Martin V. (University...