Punyawardana, K.P.S.; Jayathilake, Y.M.C.D.; Weerasinghe, W.A.D.S.S.; Vidanapathirana, K.P.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2015)
Pamudika, P.A.H.; Weerasinghe, W.A.D.S.S.; Jayathilake, Y.M.C.D.; Bandaranayake, C.M.; Vidanapathirana, K.P.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2016)
Samarasekara, D.T.M.W.; Weerasinghe, W.A.D.S.S.; Jayathilaka, Y.M.C.D.; Vidanapathirana, K.P.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2015)