Forensic Social Work : Legal Aspects of Professional Practice, Second EditionBarker · Second edition2013PDF4.7 MB
Research Methods in Clinical Psychology : An Introduction for Students and PractitionersBarker et al. · 3rd edition2016PDF3.2 MB
Research Methods in Clinical and Counselling Psychology,chris Barker,nancy Pistrang Robert ElliottJohn Wiley & Sons1994PDF81 MBEN
Timely Soil Topics, by Firman E. Bear, Joseph F. Barker, Myron A. Bachtell, Robert B. Dustman.Firman Bear1919EN