Arensberg, Conrad Maynadier. Introducing social change; a manual for community development [by] Conrad M. Arensberg [and] Arthur H. Niehoff. - 2d ed. - Chicago, Aldine-Atherton [1971] - vi, 263 p. ISBN: 0202010724 LCCN: 90042183 Subjects--Topical Terms: Social change.