00881nam a2200277 4500 34602 BD-RjUL 20211209052202.0 720323s1971 fr a b 00010 eng d (BD-RjUL)34696 DLC DLC BOS BD-RjUL eng eng 301.44 APP Approaches to the science of socio-economic development / edited by Peter Lengyel. With contributions by Raymond Aron [and others] Paris : Unesco, 1971. 383 p. : ill. ; 25 cm. $7.50 (U.S.) Includes bibliographical references. Economic development. 105263 Economic development Social aspects. 8036 Aron, Raymond, 1905-1983. 71359 Lengyel, Peter, 105264 ddc BK 34602 34602 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1981-10-21 Uesco 0 301.44 APP 1971 2014-05-18 00:00:00 C-1 2021-12-09 BK 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1981-11-30 unesco 0 301.44 APP 1971 2014-05-18 00:00:00 C-2 2014-05-18 BK 0 0 ddc 0 0 NFIC RUCL RUCL Stack 1981-11-30 UNESCO 0 301.44 APP 1971 2014-05-18 00:00:00 C-3 2014-05-18 BK