Avsar, Veysel, and Kemal Turkcan. “Exchange Rate Volatility and U.S. Auto-Industry Exports: A Panel Cointegration Approach”. International Journal of Economics and Financial Issues, vol. 3, no. 4, Aug. 2013, pp. 772-87, https://econjournals.net.tr/index.php/ijefi/article/view/540.