Gnanapala, Athula; Cooper, Malcolm; Dewasiri, N.J.; Arachchi, R.S.S.W.(Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, 2022-05-18)
Fernandoa, R.; Pirashatha, H.; Chamodyaa, K; Rathnayakeb, S.(Belihuloya, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, 2021-12-16)