text Yogyakarta Gadjah Mada University Press 1996 I xix, 225 hlm. 25 cm Environmental Health 613.1 613.1 Sla k 9794203092 INLIS000000000005375 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)