Ramakrishnan, Suresh, et al. “The Impact of Macroeconomic, Oil Prices and Socio-Economic Factors on Exchange Rate in Pakistan: An ARDL Approach”. International Journal of Economics and Financial Issues, vol. 7, no. 1, Jan. 2017, pp. 489-9, https://mail.econjournals.com/index.php/ijefi/article/view/3494.