Tunca, Halil, Mehmet Karaçuka, and A. Nazif Çatik. “A Meta-Frontier Approach to Measure Productivity Differences of Domestic and Foreign Affiliated Firms”. Journal of Business Economics and Management 14, no. 4 (September 23, 2013): 651-663. Accessed April 20, 2024. https://journals.vilniustech.lt/index.php/JBEM/article/view/3736.