Mahrouf, A.R.M.Perera, B.M.K.Rafeek, M.I.M.2020-04-292020-04-292004Annals of the Sri Lanka Department of Agriculture, 6:p.139-147https://dl-doa.nsf.gov.lk/handle/1/2071ECONOMICS, DEVELOPMENT AND RURAL SOCIOLOGYRice Research and DevelopmentConsumers' SurplusSocial Rate of ReturnsProducers' SurplusPolicy implications of investment on rice research and development by the Department of AgricultureArticle