LISWARDI, L. Wakalah bi al-Ujrah in Letter of Credit Services: Sharia Bank Applications. Journal of Economicate Studies, [S. l.], v. 8, n. 1, p. 40–45, 2024. DOI: 10.32506/joes.v2i1.462. Disponível em: https://journal.islamicateinstitute.co.id/index.php/joes/article/view/462. Acesso em: 28 dec. 2025.