Setayesh M-H, Rezaie G, Kazemnezhad M. Corporate Governance, Investment in Research and Development and Company Performance: A Data Envelopment Analysis Approach Based on Data from a Developing Country. IJEFI [Internet]. 2016 Jul. 23 [cited 2024 Dec. 23];6(3):1114-22. Available from: https://econjournals.com./index.php/ijefi/article/view/1957