Yunus, F. A. N., K. A. . Mohd Nazri, M. B. . Rahim, N. . Razali, K. A. . Abdul Rahman, and Z. . Rozali. “Development of Refrigeration Simulation to Enhance Teaching and Learning for Commercial Refrigeration System”. Research and Innovation in Technical and Vocational Education and Training, vol. 1, no. 1, Feb. 2021, pp. 13-22,