Jayawardene, H.S.; Thilakarathne, B.M.K.S.; Wijewardene, R.M.N.A.; Disanayake, C.A.K.; Rathnayake, R.M.R.N.K.(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)
Gunawardhane, C.R.; Wasala, W.M.C.B.; Dissanayake, C.A.K.; Rathnayake, R.M.R.N.K.; Thilakarathne, B.M.K.S(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)