text Yogyakarta [s.n] 1994 ind xx, 98 lembar ilus 29 cm oleh Sularsono Skripsi Fakultas Pertanian Universitas Gadjah Mada Yogyakarta Bibliografi ; lembar 82-85 Usaha Tani 338.16 YOPDYOG 20090227093623.0 YOGYA-02090000072365 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)