teori dan aplikasi text Jakarta Raja Grafindo Persada 1993 Cet. 3 ind xxi, 233 hlm ilus 20 cm Soekartawi Ekonomi pertanian 979-421-135-4 20090227020651.0 YOGYA-02090000003914 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)