Coghlan David Ed. Sage encyclopedia of action research (2 volume set) - New Delhi Sage 2014 - V1:xxvi;426p. . ISBN: 23444.900000000001 Standard No.: 126263 Source: 307, 25/02/2015, Classic Book Service Textual Subjects--Topical Terms: Psychology Dewey Class. No.: Sigma:f, Q4.1-2