text Yogyakarta Fakultas pertanian Institut pertanian STIPER 2005 ind XII , 61 , (16) lbr . : ilus . , lamp . ; 30 cm Skripsi STIPER Ekonomi Pertanian 338.1 YOPDYOG YOPDYOG 20130218192609.0 YOGYA-02130000000703 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)