Jayawardene, J.P.S.N.; Gurunada, G.H.D.J.P.; Shashikala, H.P.L.W.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Kuruppu, P.S.L.; Gurunada, G.H.D.J.P.; Maduwansha, N.A.N.J.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Anuradhi, S.L.A.J.C.; Gurunada, G.H.D.J.P.; Withanage, D.P.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)
Piyumali, G.L.T.; Gurunada, G.H.D.J.P.; Damayanthi, B.W.R.(IRCHSS-2018 and Faculty of Humanities and Social Sciences, University of Sri Jayewardenepura, 2018-11)