M. R. Alam, M. Zain, and A. Kaish, “Energy Efficient Green Building Based on Geo Cooling System in Sustainable Construction of Malaysia”, ijscet, vol. 3, no. 2, pp. 96–105, Dec. 2012, Accessed: Aug. 13, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/IJSCET/article/view/428