Mahmoudzadeh, Mahmoud, and Ali Seyfi. “The Effect of Product Market Competition on the Relationship Between Capital Structure and Financial Performance of Companies”. International Journal of Economics and Financial Issues 7, no. 3 (June 29, 2017): 523–526. Accessed November 24, 2024. https://mail.econjournals.com/index.php/ijefi/article/view/4807.