Barker Chris Research methods in clinical psychology An introduction for students and practitioners Barker Chris; Pistrangq Nancy - 3rd - Chichester Wiley 2016 - xii;293p. cm. ISBN: 6737.2600000000002 Standard No.: 128043 Source: 169, 15/12/2015, Classic Book Service Textual Subjects--Topical Terms: App Psychology Dewey Class. No.: S:84:f, Q6;1-2