Panditharatne, B.L. A study of the primary phase of urban growth in the Kiridi Oya irrigated settlement area - Colombo Agrarian Research and Training Institute 1991 - xi,82p. 21cm - Research study No.86 ,December 1991 . Subjects--Topical Terms: EconomicsProductionAgriculture Dewey Class. No.: 338.1 / PAN