Learned Helplessness: A Theory for the Age of Personal Control
Peterson, Christopher and Maier, Steven F and Seligman, Martin E P
Learned Helplessness: A Theory for the Age of Personal Control - New York Oxford University Press 1993 - 359p
9780195044676
O61 / P442
Learned Helplessness: A Theory for the Age of Personal Control - New York Oxford University Press 1993 - 359p
9780195044676
O61 / P442