Pavithira, E.; Hitinayake, G.(Department of Environmental Management - Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka, 2022-06)
Sewwandi, Chathurika; Jayasinga, Pathmakumara; Ilangasinhe, Sandun(Department of Languages, Faculty of Social Sciences and Humanities, Rajarata University of Sri Lanka., 2023-10-31)