memahami sikap text Malang Averrols 2003 Cet. 1 ind xv, 156 hlm 21 cm Y. Eko Budi Susilo ; penyunting Saiful Arif, A. Zainul Hamdi Bibliografi : hlm. 147-153 Pencemaran - Aspek lingkungan 979-97116-3-0 YOPDYOG(B) 20090227021015.0 YOGYA-02090000007288 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)