Ramadhan Tisepu text Jakarta Bumi Medika 2016 id xiv+178hlm,;14x21cm Masalah lingkungan 363.7 Ram e 978-602-70454-8-4 180916 20180916011502 INLIS000000000003423 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)