Rusli, Rusreena, and Harwati Hashim. “Implementing an Online Learning Platform in an English As a Second Language Context: Analyses of Blended Courses Issues and Solution”. International Journal of Engineering and Technology, vol. 7, no. 4.21, Nov. 2018, pp. 65-68, https://doi.org/10.14419/ijet.v7i4.21.21618.