Vidanapathirana, R.Rambukwella, R.Hector Kobbekaduwa Agrarain Research and Training Institute2014-07-182014-07-182008https://dl-harti.nsf.gov.lk//handle/1/2055vi, 24p.AgrochemicalsPesticidesPricesPrice BehaviourAn analysis of price margins of Agro-chemicals