M. A. F. MANICLANG, Z. L. ANG, R. Y. HONG, E. J. LEE, and J. C. SNG, “Students’ Perceptions of Webcast Lectures and Online Video Materials: Results of a Survey at a Higher Education Institution in Singapore”, AJSoTL, vol. 8, no. 2, pp. 150–180, Nov. 2018.