BUNDLE : York : Statistics for Human Service Evaluation + DepoyReginald O. York, Elizabeth G. DePoy · First published 2017Open the Tome
Social Work Research and EvaluationElizabeth G. DePoy, Stephen French Gilson · First published 2016Open the Tome
Human Behavior Theory and ApplicationsElizabeth G. DePoy, Stephen F. Gilson · First published 2013Open the Tome
