Rozikin, A. A. ., Yunus, F. A. N., Hussin, A. ., Razali, N. ., Abdul Rahman, K. A. ., & Rahim, M. B. . (2024). Functionality of R290 Flammable Refrigerant Module. Research and Innovation in Technical and Vocational Education and Training, 4(1), 13-24. https://penerbit.uthm.edu.my/periodicals/index.php/ritvet/article/view/15990