sistem monokultur text Yogyakarta Kanisius 1992 Cet. 1 ind 117 hlm ilus 21 cm Bambang Agus Murtijo Bibliografi : hlm. 117 Udang galak 639.543 YOPDYOG 20090227023447.0 YOGYA-02090000020780 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)