DIREKTORAT PENGELOLAAN AIR text Jakarta Direktorat Pengelolaan Air 2007 ind iv, 16 p. : ill. ; 20 cm. Direktorat Pengelolaan Air WATER CONSERVATION FURROW IRRIGATION 631.6.03 631.6.03 DIR p 220822 20220822071558 INLIS000000000038523 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)