Wheelan Susan A. Handbook of group research and practice - California Sage Publications 2005 - 589p. cm. ISBN: 0761929584 5537.5 Standard No.: 84506 Source: 383, 24/03/2006, Bhartiya Sahitya Bhawan Reference Collections Subjects--Topical Terms: PSYCHOLOGYSOCIAL PSYCHOLOGY Dewey Class. No.: S8:fg, P5(RR)