Greenwood, Davydd J., author. Introduction to action research : social research for social change / Davydd J. Greenwood, Morten Levin. - Second edition. - Thousand Oaks : Sage Publications, c2007. - xiii, 301 pages ; 23 cm. Includes index. Includes bibliographical references. ISBN: 9781412925976 (paperback) Subjects--Topical Terms: Action research.