Arif Zulkifli text Jakarta Salemba Teknika 2017 Cet. 2 id x, 221 p.: ill.; 24 cm Ilmu lingkungan 502/504 978-979-9549-39-6 250804 20250804105019 INLIS000000000005516 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)