Rafindadi, A. A., and Z. Yusof. “An Econometric Estimation and Prediction of the Effects of Nominal Devaluation on Real Devaluation: Does the Marshal-Lerner (M-L) Assumptions Fits in Nigeria?”. International Journal of Economics and Financial Issues, vol. 4, no. 4, Sept. 2014, pp. 819-35, https://www.econjournals.com/index.php/ijefi/article/view/922.