Yahya, M. Y., W. A. Abba, S. Mohamed, and A. Md. Yassin. “Contributing Factors of Poor Construction Project Performance in Nigeria”. International Journal of Property Sciences (E-ISSN: 2229-8568), vol. 9, no. 1, Aug. 2019, pp. 1-11, doi:10.22452/ijps.vol9no1.1.