Distribution of oppurtinity offtake time a long main system during Comal operation text Yogyakarta Gadjah Mada University 1989 22 p. ill ; 30 cm IRRIGATION DISTRIBUTION IRIGASI 631.67 631.67 INLIS000000000002634 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)