by: Edward L. Deci · Richard M. RyanHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-306-42022-1 ISBN-10: 0-306-42022-8 Plenum Press · 1985 |
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2013 | Paperback | Intrinsic Motivation and Self-Determination in Human Behavior (Perspectives in Social Psychology) |