text Yogyakarta Gadjah Mada University Press 1992 Cet. 1 ind X, 657 hlm . : ilus . ; 28 cm Ekologi 979-420-256-8 20101005090113148 YOGYA-10100000000949 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)