Pawson Ray Science of evaluation A realist manifesto - London Sage UK 2013 - xix, 216p. cm. ISBN: 9781446252437 (hbk) 2862.82 Standard No.: 280,966 Source: IN4204, 18/03/2014, Asian Book Centre Textual Subjects--Topical Terms: SOCIAL SCIENCES Dewey Class. No.: Sigma:f, Q3