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izlaidumi no Ellen A. Skinner

Cover for Ellen A. Skinner · Perceived Control, Motivation, & Coping - Individual Differences and Development (Hardcover Book) (1995)
Hardcover Book
Perceived Control, Motivation, &...
Ellen A. Skinner
Cover for Ellen A. Skinner · Perceived Control, Motivation, & Coping - Individual Differences and Development (Paperback Book) (1995)
Paperback Book
Perceived Control, Motivation, &...
Ellen A. Skinner