ŞENGÜL Ümran. DATA PERFORMANCE MEASUREMENT OF MAIN METAL INDUSTRY COMPANIES IN BIST 100 WITH DATA ENVELOPMENT ANALYSIS. JLECON [Internet]. 2020 Aug. 5 [cited 2024 Apr. 20];7(2):161-76. Available from: https://journals.gen.tr/index.php/jlecon/article/view/996