Nayakathwaya ha mudal paripalana pilibanda govi niyojithayan sandaha vu puhunu patamalawa, 1998 Juli 23-26, Mahailluppallama. In SinhaleseTraining course for farmer representatives in leadership and finance management, Mahailluppallama, Sri Lanka, 23-26 July 1998 - International Irrigation Management Institute (International Irrigation Management Institute, 1998)