Sri Rum Giyarsih dkk. text Yogyakarta UGM 2014 id xix+216 hlm Masalah lingkungan 363.7 979-420-816-2 180916 20180916012137 INLIS000000000004341 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)