Wijetunga, C.S.; Hector Kobbekaduwa Agrarian Research and Training Institute(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2011)
Samarasinghe, G.G. de L.W.; Bandara, S.M.A.C.; Hector Kobbekaduwa Agrarian Research and Training Institute(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2011)
Kumara, S.K.; Weerakkody, P.R.; Hector Kobbekaduwa Agrarian Research and Training Institute(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2011)
Chandrasiri, J.K.M.D.; Hector Kobbekaduwa Agrarian Research and Training Institute(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2010)
Weerakkody, P.R.; Kumara, S.K.; Wickramasinghe, W.D.; Hector Kobbekaduwa Agrarian Research and Training Institute(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 2011)