Oyinlola Olaniyi, Muhammad Ali, Adesanya Babatunde, and Moses Agbonjinmi Sunday Alade. “An Empirical Assessment of the Okun’s Law Postulation in Nigerian Economy: 1980 - 2015”. Abuja Journal OF ECONOMICS AND ALLIED FIELDS, vol. 7, no. 3, June 2018, pp. 90-103, https://uniabj.com/index.php/ajeaf/article/view/66.