Social work research and evaluation : foundations of evidence-based practice
av Richard M. Grinnell, Yvonne A. Unrau (2018)
Social work research and evaluation : foundations of evidence-based practice
av Richard M. Grinnell, Yvonne A. Unrau (2014)
Social Work Research and Evaluation: Quantitative and Qualitative Approaches
av Richard M. Grinnell, Yvonne A. Unrau (2005)
Social work research and evaluation : foundations in evidence-based practice
av Richard M. Grinnell, Yvonne A. Unrau (2007)