Imran, Muhammad Syukri, Noor Muhammad Abd Rahman, and Roslan Mohamed. “Energy Performance Contracting Initiative in Malaysian Public Hospitals ”. International Journal of Integrated Engineering 12, no. 9 (December 28, 2020): 234–245. Accessed April 27, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/7375.