TY - BOOK TI - Development technologies research reports: Water PY - 1991/// CY - Melbourne PB - University of Melbourne KW - Water resources development KW - Irragation system KW - Models KW - Water quality management KW - Indonesia N1 - 1. A multiobjective programming model of environmental quality management for polluted water in Surabaya East java, Indonesia /by Udisubakti Ciptomulyono -- 2. spreadsheet modelling for operation of Wonorejo irragation system /by Rispiningtati -- 3. Modelling leakage and leakage control options for water distribution systems /by Michael J. Beauchamp ER -