AINUAL AZHAR, MOHAMAD HAFIZ SYAMIL, and Mohd Fikri Hasmori. “Covid-19 Effect to A Conventional and IBS Construction Project at Kuala Lumpur, Malaysia”. Recent Trends in Civil Engineering and Built Environment, vol. 3, no. 1, Jan. 2022, pp. 1143-9, https://penerbit.uthm.edu.my/periodicals/index.php/rtcebe/article/view/3133.