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Item Paddy husk fuel block(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Rathnayaka, R.P.K.C.S.; Ariyaratne, A.R.Item Design and fabrication of an engineering model of a crop dryer(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2006) Rathnayake, R.M.S.P.; Ariyaratne, A.R.; Prematilake, S.P.Item User-friendly computer package for on-farm water management in the dry zone of sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Jeyakumar, P.; Pathmarajah, S.; Ariyaratne, A.R.