Weerasinghe, W.K.G.K.S.; Weerakkody, W.J.S.K.; Jayathilake, H.A.C.K.; Yakandawala, K.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Wickramasinghe, W.M.T.K.; Chathurani, G.D.G.; Yakandawala, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Wijeratne, K.D.B.M.; Adikaram, N.K.B.; Yakandawala, D.M.D.; Yakandawala, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Fernando, C.N.; Yakandawala, K.; Attanayaka, D.P.S.T.G.; Perera, P.I.P.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Pallawala, P.A.P.M.; Wijesinghe, S.A.E.C.; Yakandawala, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)