Bakkari, Belkheir, and Abderahmane Daggoume. “Study the Effect of Financial Leverage on Financial Return An Applied Study of a Sample of Institutions in the Hassi-Messaoud Region During the Period (2009-2014)”. Dirassat Journal Economic Issue 8, no. 1 (January 1, 2017): 101-114. Accessed November 22, 2024. http://journals.lagh-univ.dz/index.php/djei/article/view/483.