Khendek, Samira. “ Financial Analysis by Ratios: Comparative Study -Case of the Saidal and Biopharm Companies”. Finance and Business Economies Review 6, no. 3 (September 24, 2022): 541–552. Accessed January 15, 2026. https://jiamcs.univ-mila.dz/index.php/fber/article/view/527.