Okafor, Chinwuba, and Ibrahim Shaibu. “Modelling Economic Growth Function in Nigeria: An ARDL Approach”. Asian Journal of Economics and Empirical Research 3, no. 1 (June 20, 2016): 84–93. Accessed May 7, 2024. http://www.asianonlinejournals.com/index.php/AJEER/article/view/215.