M. Yakubu, Muhammad, and Benedict N. Akanegbu. “Education Expenditureand Economic Growthinnigeria: Granger Causalityanalysis”. Journal of Business Management and Economics 3, no. 4 (April 28, 2015). Accessed July 3, 2024. https://innovativejournal.in/index.php/jbme/article/view/1594.