text Malang Fak. Pertanian - Univ. Brawijaya 2001 I iv, 191 hlm. 21 cm AGRICULTURAL EXTENSION WORK 630.715 630.715 Sug d 9795082078 INLIS000000000002573 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)