text Yogyakarta Gadjah Mada University Press 1990 I x, 150 hlm. 22 cm Environmental pollution 628.5 628.5 Dja p INLIS000000000007963 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)