Dharmasiri, R. B. N.; Undugoda, L. J. S.; Nilmini, A. H. L.; Pathmalal, M. M.; Nugara, N. N. R. N.; Udayanga, D.; Kannangara, S.(Environmental Quality Management, 2022)
Lakmini, Herath; Marasingha, M. A. J. C.; Meedeniya, Dulani; Weerasinghe, Vajira(Department of Industrial Management, Faculty of Science, University of Kelaniya Sri Lanka, 2021)