text Washington D.C Resources for the future; [Baltimore]: Distributed by the Johns Hopkins University Press 1988 xvi,404p.: ills; 24 cm PRODUKTIVITAS PERTANIAN AARP63 AARP63 0-915707-37-3(alk. paper) INLIS000000000000486 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)