text Jakarta Grasindo 1997 cet. 1 ind ix, 78 hlm 18 cm Mangku Sitepu; editor Djony Herfan Bibliografi: 73-76 Udara - Pencemaran - Aspek lingkungan 363.7392 979-669-166-6 20090227024251.0 YOGYA-02090000028806 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)