Wirakusumah text Jakarta Universitas Indonesia, (UI-Press) 2003 ind in xviii, 149 hlm.: ilus.; 22 cm. 2006 1. EKOLOGI 577 ISBN 979-456-249-1 190715 20151118231042 INLIS000000000041490 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)