text Yogyakarta [s.n] 1996 ind viii,46 lembar ilus 28cm Subarja Skripsi fak.Pertanian Universitas Gadjah Mada Yogyakarta Bibliografi:lembar 39 Pertanian 630 20090227093624.0 YOGYA-02090000072387 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)