Setayesh, Mohammad-Hossein, Gholamreza Rezaie, and Mostafa Kazemnezhad. 2016. “Corporate Governance, Investment in Research and Development and Company Performance: A Data Envelopment Analysis Approach Based on Data from a Developing Country”. International Journal of Economics and Financial Issues 6 (3):1114-22. https://econjournals.com./index.php/ijefi/article/view/1957.