Papers on performance evaluation of irrigation systems: contributions towards the development of an analytical framework and a methodology. [Overview of papers originally read and discussed at a Symposium on the Performance of Irrigation Systems, at the International Irrigation Management Institute (IIMI), Colombo, Sri Lanka, 23 November 1990, as a part of the Institute's Annual Internal Program Review]. - Kyi, K.M.; Svendsen, Mark (International Irrigation Management Institute, 1990)