F. N. Bani and S. Nagapan, “Study on the Challenges Factors in Implementing the Concept of Green Building in Wilayah Persekutuan Putrajaya”, rtcebe, vol. 4, no. 3, pp. 447–456, Jan. 2024, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5917