Madarasinghe, A.P.; Thilakarathne, E.P.D.N.; Warnasuriya, T.W.S.(Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, Mihintale, 2023-01-25)
Coswatte, A.C.W.W.M.C.L.K.; Dias, P.C.B.; Thilakarathne, E.P.D.N.; Liyanage, N.P.P.; Jayamanne, S.C.(Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, Mihintale, 2023-01-25)