Sani, Abdulkarim Muhammad, Usman Nuruddeen, Zakka Ze Gyang, and Bappah Hamza. “Assessment of Project Performance Variables on Timely Delivery of Tetfund Projects in Bauchi State”. African Journal of Environmental Sciences and Renewable Energy 13, no. 1 (December 31, 2023): 15–27. Accessed October 11, 2025. https://publications.afropolitanjournals.com/index.php/ajesre/article/view/686.