Sirisena, U.G.A.I.; Balasuriya, A; Weerasinghe, P.A.; Keerthisinghe, J.P; Jayasundaraz, I.W.K.K(Faculty of Agriculture,Rajarata University of Sri Lanka, 2007-09)
Chandrarathne, P.G.S.R.; Attanayake, A.M.C.I.M.; Kumara, P.G.A.L.; Weerasinghe, P.A.(Faculty of Agriculture, Rajarata University of Sri Lanka, Puliyankulama, 2022)