M. H. Z. Mohd Hazarudin, S. N. Mohd Dzulkifli, and R. Kasmu, “A study of current working practices for refrigerant recovery during HVAC maintenance work at Hospital Raja Permaisuri Bainun”., peat, vol. 4, no. 1, pp. 190–197, May 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/10000