text Yogyakarta Gadjah Mada University Press 1983 ind 250 hlm. 1 cm C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi MET 303.725.35 NAW m INLIS000000000002330 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)