Arvas, M. Akif, and Burak Uyar. “Exports and Firm Productivity in Turkish Manufacturing: An Olley-Pakes Estimation”. International Journal of Economics and Financial Issues 4, no. 2 (February 19, 2014): 243–257. Accessed May 6, 2024. https://econjournals.com/index.php/ijefi/article/view/740.