Sivabalan, K. ., and Z. Ali. “Effects of WhatsApp As Vocabulary Instructional Tool for Distance Learning Among Tertiary Students”. Journal of Contemporary Social Science and Education Studies (JOCSSES) E-ISSN- 2785-8774, vol. 2, no. 1, Apr. 2022, pp. 72-79, doi:10.5281/zenodo.10302249.