ZOUAOUID LAZHARI. Measuring the Degree of the Effect of the Financial and Operating Leverages on the Earning per Share in the Energy Companies. Journal of North African Economies, [S. l.], v. 19, n. 32, p. 91–110, 2025. Disponível em: https://journals.univ-chlef.dz/index.php/renaf/article/view/522. Acesso em: 18 jul. 2025.