Qurochman, A. N., and A. N. A. S. Putra. “The Effect Of Financial Leverage And Operating Leverage On Company Profitability”. International Journal on Social Science, Economics and Art, vol. 14, no. 2, Aug. 2024, pp. 228-37, https://ijosea.isha.or.id/index.php/ijosea/article/view/531.