Proceedings of a workshop held in Singapore, 8-10 June 1981 International Development Research Center (IDRC) text Ottawa, CA International Development Research Center (IDRC) 1981 eng 170 p. : ills. ; 25 cm. PERTANIAN - PENELITIAN PENELITIAN 63.001.5 63.001.5 INT r 0-88936-314-5 250915 20250915015742 INLIS000000000004312 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)