Wijetunga, Chatura Sewwandi Profitability of paddy farming in the dry zone of Sri Lanka / by Wijetunga, Chatura Sewwandi - Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2013 - x, 63p. 29 cm. - Research report No.153 . ISBN: 9789556121483 Subjects--Topical Terms: Rice production-Sri Lanka Dewey Class. No.: 633.18095493 / WIJ