Yanto Indonesianto text Yogyakarta PT Citra Aji Parama 2008 id 60hlm.;ilus.;14x21cm Masalah lingkungan 363.7 Yan p 979-1464-76-5 180916 20180916010445 INLIS000000000002311 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)