Rajapaksa, R.D.D.P.Rafeek, M.I.M.Perera, T.H.C.S.2022-01-192022-01-192010Annals of the Sri Lanka Department of Agriculture, 12:p.135-142https://dl-doa.nsf.gov.lk/handle/1/4081AgronomyPotato CultivationTechnical efficiencyRegional differenceProfitabilityTechnical Efficiency of Potato Cultivation in Sri Lanka and Regional DifferencesArticle