Bandara, D.M.S.P.Rathnayake, H.M.A.P.Fernando, M.D.2020-03-032020-03-032010Engineer, 43(2):p.82-87https://dl-iesl.nsf.gov.lk/handle/1/2079Agro processingGradingMachineryGradersDevelopment of a small/ medium scale grading systemArticle