na INLIS000000000001662 20251009093852 0010-0121000028 Sustainability Issues in Agricultural Development : Proceedings of the seventh agriculture sector symposium Washington, D.C : The World Bank, 1987 viii, 382 p. : ill ; 28 cm 63.001.6 THE s 63.001.6 PERTANIAN-PERKEMBANGAN PERTANIAN SUSTAINABILITY. 251009 g 0 eng 0-8213-0909-9 The World Bank Ted J. Isabelle A. Schirmer 2536/PSEKP/2025