Rahmat, N. H. ., M. A. . Roslan, N. A. . Othman, and N. F. M. . Ramli. “The Influence of Kinesics and Vocalic in ESL Oral Presentation Among Undergraduates”. Global Journal of Social Sciences Studies, vol. 5, no. 1, Feb. 2019, pp. 1-13, doi:10.20448/807.5.1.1.13.