Behavioral Methods in Social Welfare Autor Steven Paul Schinke et al. 30 iul 2007 Paperback Preț: 420.20 lei 494.35 lei 6-8 săpt. -15%
Behavior Modification Procedure: A Sourcebook Editat de Steven Paul Schinke et al. 30 oct 2007 Paperback Preț: 443.40 lei 6-8 săpt.