S study of the feasibility of imppasing an irrigation service fee in the Jatiluhur irrigation area Fakultas Geografi Universitas Gajah Mada text Yogyakarta Universitas Gajah Mada 1986 iv, 15 p. : ill ; 29 cm WATER QUALITY RIVERS MADIUN AIR WADUK KENDANG 551.311.2 551.311.2 INLIS000000000002578 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)