Bakkari, B. and Daggoume, A. 2017. 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, 1 (Jan. 2017), 101-114. DOI:https://doi.org/10.34118/djei.v8i1.483.