text Jakarta Balai Pustaka 1983 Cetakan : 1 ind 44 hlm. ;21 cm. Air - Aspek Ekonomis 333.9 20130515210640 INLIS000000000008983 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)