text Totowa,New Jersey Humana Press 1999 ing 615hlm. 3,5cm C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi BIO 632.982 HAL b INLIS000000000002104 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)