text Surabaya Airlangga University Press 2005 I xiv, 143 hlm. 21 cm ECOLOGY 304.2 304.2 Soe i 9793557311 INLIS000000000004256 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)