text Jakarta Mutiara 1979 ind 184 hlm. ; 15x21 cm Azrul Azwar Permasalahan Lingkungan 363.7 363.7 AZW P C.1 241214 20241214043719 INLIS000000000003046 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)