text Iowa Iowa State University 1982 vii, 428 p. : ill ; 21 cm PENYULUHAN-PERTANIAN PENYULUHAN 658.8 658.8 INLIS000000000001530 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)