PRATAMA, Yoghi Citra; TERMINANTO, Ade Ananto. Banking Efficiency under an Oligopoly Structure: Evidence from Indonesia’s Islamic and Conventional Banks. International Journal of Management, Entrepreneurship, Social Science and Humanities, [S. l.], v. 10, n. 1, p. 61–77, 2026. DOI: 10.31098/ijmesh.v10i1.3732. Disponível em: https://journals.researchsynergypress.com/index.php/ijmesh/article/view/3732. Acesso em: 19 mar. 2026.