Mohammed, Y. N., and M. Umar. “Analysis of Foreign Direct Investment (FDI) on The Nigerian Economy 1985 – 2017: A Vector Error Correction Model Approach”. Abuja Journal OF ECONOMICS AND ALLIED FIELDS, vol. 12, no. 5, Dec. 2023, pp. 73-83, https://uniabj.com/index.php/ajeaf/article/view/112.