Mallawaarachchi, Chammika.(International Conference on Business, Education, Social Science, and Management (BESM)/International Conference on Engineering, Technology and Applied Science (ETAS), Singapore, 2018-12-28)
Mallawaarachchi, Chammika.(1st International Conference on Library and Information Science Fakultas Ilmu Pendidikan Universitas Pendidikan Indonesia, 2018-11-07)