Olukyode, Oladipo Francis, Fatuki Adeola Mathew, and Aluko Adewale Taiwo. 2015. “An Assessment of Major Factors Affecting Construction, Project Cost in Nigeria”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24 (4):308-18. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4640.