Rosle, N. and Kamarudin, A. F. (2021) “Effects of Vertical Irregularity (Upper Level) of 5-Storey Laboratory Steel Tower Using Modal Analysis”, Recent Trends in Civil Engineering and Built Environment, 2(1), pp. 350–361. Available at: https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1463 (Accessed: 3 March 2024).