Learned Helplessness: A Theory for the Age of Personal Control
Christopher Peterson et al.
18 ian 1996
Paperback
Preț: 395.74 lei 500.69 lei
41-52 zile | 7-13 zile
-21%
Cărți de Christopher Peterson
A Primer in Positive Psychology
Autor Christopher Peterson
17 aug 2006
Paperback
Preț: 450.20 lei 569.31 lei
41-52 zile
-21%