Behavioral Methods in Social Welfare Autor Steven Paul Schinke et al. 30 iul 2007 Paperback Preț: 424.19 lei 499.04 lei 6-8 săpt. -15%
Behavior Modification Procedure: A Sourcebook Editat de Steven Paul Schinke 30 oct 2007 Paperback Preț: 448.60 lei 6-8 săpt.