Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Wijayagunasekara, H.N.P.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013)
Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Wijayagunasekara, H.N.P.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013)
Prasannath, K.; Dharmadasa, K.N.P.; De Costa, D.M.; Hemachandra, K.S.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2014)
Singhamuni, S.A.A.; Jayasuriya, M.I.U.F.; Hemachandra, K.S.; Sirisena, U.G.A.I.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015)
Sirisena, U.G.A.I.; Watson, G.W.; Hemachandra, K.S.; Sage, O.; Wijayagunasekara, H.N.P.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015)
Priyadarshani, T.D.C.; Hemachandra, K.S.; Sirisena, U.G.A.I.; Wijayaguasekara, H.N.P.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2015)