Weerasinghe, M.G.D.L; Madhuwanthi, Y.I.; Wijemanna, P.R.
(Department of Social Statisctics, University of Kelaniya, Sri Lanka, 2020)
The Covid-19 pandemic also known as the corona virus pandemic, is an ongoing pandemic of in the world. This pandemic has affected economic and social activities all over the world. There are lot of countries have locked ...