Prasanna, Manoj; Jayasingha, Pathmakumara; Adikari, Gamini(Faculty of Social Sciences and Humanities Rajarata University of Sri Lanka, Mihintale, 2022-11-29)
Liyanarachchi, Sandeepa D.D.; Dhanapala, Samadara; Chathuranga, Gihan L. L; Chathurangi, Ayesha K. A.(Rajarata University of Sri Lanka, Faculty of Applied Sciences, 2019)