text Jakarta Yayasan Obor Indonesia 1989 xvi, 236 p. ; 21 cm SUMBERDAYA AIR AIR LIMBAH 628.11 628.11 979-461-036-4 INLIS000000000000314 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)