Berger, Robert L. Human behavior : a perspective for the helping professions / Robert L. Berger, Ronald C. Federico - New York : Longman Pub Group, 1985 - xiii, 217 p. : figs. ISBN: 0582285216 Subjects--Topical Terms: Trabajo social ---CasosConducta (Psicología) Dewey Class. No.: 361.32 B946h 1985