Senevirathna, A.M.W.K.; Stirling, C.M.; Rodrigo, V.H.L.; Karunathilake, P.K.W.; Pathirana, P.D.(Rubber Research Institute of Sri Lanka:Agalawatte, 2002)
Senevirathna, A.M.W.K.; Stirling, C.M.; Rodrigo, V.H.L.; Karunathilake, P.K.W.; Pathirana, P.D.(Rubber Research Institute of Sri Lanka:Agalawatta, 2002)