Premisha, P.; Kumara, B.T.G.S.; Kudavidanage, Enoka; Banujan, K.(Barbara Jane Holland (Brooklyn Public Library, USA (retired) & Independent Researcher, USA), 31-05-21)
Sivakumar, Pirunthavi; Rajeswaren, Vithusia Puvaneswaren; Abishankar, Kamalanathan; Ekanayake, E.M.U.W.J.B.; Mehendran, Yanusha(Faculty of Management and Commerce South Eastern University of Sri Lanka, 29-12-20)