ŞENGÜL, Ümran. “DATA PERFORMANCE MEASUREMENT OF MAIN METAL INDUSTRY COMPANIES IN BIST 100 WITH DATA ENVELOPMENT ANALYSIS”. JOURNAL OF LIFE ECONOMICS 7, no. 2 (August 5, 2020): 161–176. Accessed March 29, 2024. https://journals.gen.tr/index.php/jlecon/article/view/996.