HARDJOSOEDIRO SOEKARMANTO text Jakarta Direktorat penyuluhan pertanian 1972 id 33p.: Ills.; 24cm Penyuluhan Pertanian -- metode 63.001.8 /2821 210426 20210426121001 INLIS000000000009323 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)