text Yogyakarta Fak. Pertanian UGM 1980 ind vi, 17p. 20 cm. Otto Soemarwoto 576.163 576.163 Soe a 1 INLIS000000000042364 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)