M. D. Abdul Rani and M. Mohamad, “The Development of a Web-Based Self-Learning Module for a Split Unit Air-Conditioning System”, RITVET, vol. 3, no. 2, pp. 122–128, Dec. 2023, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/ritvet/article/view/13528