Van Der Hoek, Wim; Sakthivadivel, R.; Renshaw, Melanie; Silver, John B.; Birley, Martin H.; Konradsen, Flemming(International Water Management Institute (IWMI), Colombo, Sri Lanka, 2001)
Klinkenberg, Eveline; Van Der Hoek, Wim; Amerasinghe, Felix P.; Jayasinghe, Gayathri; Mutuwatte, Lal; Gunawardena, Dissanayake M.(International Water Management Institute (IWMI), Colombo, Sri Lanka, 2003)
Amerasinghe, Felix P.; Konradsen, Flemming; Van Der Hoek, Wim; Amerasinghe, Priyanie H.; Gunawardena, J. P. W.; Fonseka, K. T.; Jayasinghe, Gayathri(International Water Management Institute (IWMI), Colombo, Sri Lanka, 2001)
Mutuwatte, Lal; Konradsen, Flemming; Renault, D.; Sharma, S. K.; Gulati, O. T.; Kumara, W. A. U.(International Irrigation Management Institute, Colombo, Sri Lanka, 1997)