00431nam a2200157 a 4500 20260717091359.0 260717s1981 ii 000 0 eng d eng 330.9172 Menamana World Development Report 1981 / Menamana Washington : The World Bank, 1981. 192 Economic development:Developing countries:ower resources. BK 30172 30172 0 0 0 0 DC BKBCL BKBCL 1990-08-28 0 330.9172 MEN 25996 2026-07-17 09:13:59 2026-07-17 BK