Sinnadurai, Rajendran. “Energy Efficiency Analysis and Financial Assessment at Faculty of Engineering, UNISEL”. Selangor Science & Technology Review (SeSTeR) 2, no. 1 (August 4, 2018). Accessed November 22, 2024. https://sester.journals.unisel.edu.my/ojs/index.php/sester/article/view/31.