YUMNA, Aimatul. The X-Efficiency of Shariah and Conventional Banking’s in Indonesia. International Research Journal of Business Studies, Jakarta, Indonesia, v. 13, n. 2, p. 149–159, 2020. DOI: 10.21632/irjbs.13.2.149-159. Disponível em: https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/368. Acesso em: 4 dec. 2024.