text Bogor Central Research Institute For Agriculture 1973 ing 137 hlm. 0,8 cm C - Education, extension, and advisory work/Pendidikan, penyuluhan pertanian, dan dokumentasi 63.05 CEN c - INLIS000000000001899 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)