Wijetunga, C.S.Hector Kobbekaduwa Agrarian Research and Training Institute2014-07-182014-07-182011978-955-612-121-6https://dl-harti.nsf.gov.lk//handle/1/2368viii, 53p.Terms of TradePrice BehaviourProducer PricesRiceProductionTerms of trade in paddy production sector in Sri Lanka