Learned Helplessness: A Theory for the Age of Personal Control
Christopher Peterson et al.
18 ian 1996
Paperback
Preț: 358.24 lei 403.41 lei
44-50 zile
-11%
Cărți de Christopher Peterson
A Primer in Positive Psychology
Autor Christopher Peterson
17 aug 2006
Paperback
Preț: 403.86 lei 461.72 lei
44-50 zile
-13%