Yunus, N. A. M., N. Ibrahim, I. Zakaria, A. Z. Zainuddin, M. Z. M. Salleh, and N. N. Abd Rahim. “Teaching Customer Service Principles Using the Massive Open Online Course (Moocs) Platform”. Advances in Social Sciences Research Journal, vol. 11, no. 2.2, Mar. 2024, pp. 501-12, doi:10.14738/assrj.112.2.16394.