00555nam a2200181Ia 4500 0000006288 20251012174450.0 710812s1971 ilu b 001 0 eng 0202010724 HM101 .A67 1971 301.2/4 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 22 cm. Bibliography: p. 253-257. Social change. 4083 4083 0 0 0 0 KEM KEM 2012-12-07 0 0000003656 2025-10-12 08:34:47 2025-10-12 OS