00587nam a22002057a 4500 BD-DhUL 20160411113454.0 160411s1971 enk |||| |||| 001 0 eng 08101811988 BD-DhUL BD-DhUL 309.2 DUE Dunn, Edgar S. Economic and social development : a process of social learning / Edgar S. Dunn London : Johns Hopkins, 1971 xv, 327 p. : 24 cm Includes index Bibliography: p. 311-316 Social Planning ddc BK 54571 54571