Heo, Soon-Bong text Jakarta Elex Media Komputindo 2010 I 159 hlm Ekologi 577 577 HEO w 978-979-27-7158-9 20181021011658 INLIS000000000403794 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)