text New York, NY A/D/C 1975 viii, 229 p. ills. ; 23 cm. PERTANIAN - PENELITIAN - PROGRAM PENYULUHAN PERTANIAN PENYULUHAN 63.001.5 63.001.5 INLIS000000000004240 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)