00642nam a2200121Ia 4500008004100000020001800041100006500059245012500124260013300249300001200382490006700394650005900461241024s9999||||xx |||||||||||||| ||und||  a92-9090-484-4  aMATSUNO, Y etc                                               0aAccounting of agricultural and nonagricultural impacts of irrigation and drainage systems: A Study of multifunctionality  aSri Lanka                                                   bIWMI                                                        c2002  aiii; 36  aInternational Water  Management Institute, working  paper.43    aIRRIGATION | IRRIGATION   SYSTEMS | DRAINAGE SYSTEMS