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1. Motivation for learning;   Publication: Ann Arbor, Univ. of Michigan P., 1974 . [ix], 259 p. Date:1974 Availability: Copies available: Turkeyen Campus Education & Humanities [LB1065 E7 1974] (1), Actions: Add to cart
2. Motivation for learning;   Publication: Ann Arbor, University of Michigan Press., 1974 . ix, 259 p. Date:1974 Availability: Copies available: Turkeyen Campus Education & Humanities [LB1027 E7 1974] (4), Actions: Add to cart