Zahari, B., Abdul Rahman, K. A., Rahim, M. B. ., Yunus, F. A. N., & Razali, N. . (2021). Cooling Tower System as Teaching Aids Tools for Vocational College and Air Conditioning Technology Program. Research and Innovation in Technical and Vocational Education and Training, 1(1), 75–81. Retrieved from https://publisher.uthm.edu.my/periodicals/index.php/ritvet/article/view/193