Abdullah, Ahmad Syakirin, and Basil David Daniel. “Characteristics of Pedestrian Flow at Traffic Signalised Crossing in Shah Alam”. Recent Trends in Civil Engineering and Built Environment, vol. 2, no. 1, June 2021, pp. 533-40, https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1520.