Oladirin, Olugbenga Timothy, Samuel Olusola Olatunji, and Basir Tomiwa Hamza. “Effect of Selected Procurement Systems on Building Project Performance in Nigeria”. International Journal of Sustainable Construction Engineering and Technology 4, no. 1 (April 27, 2013): 48–62. Accessed May 1, 2024. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/442.