ABDULLAH, M. M.; AWANG, A. B. Guidelines for the Application of Purchase (Bay’) and Loan (Salaf) in the Bank Letter of Guarantee: ضوابط تطبيقات بيع وسلف في خطاب الضمان المصرفي. International Journal of Fiqh and Usul al-Fiqh Studies, [S. l.], v. 2, n. 2, p. 124–136, 2018. DOI: 10.31436/ijfus.v2i2.103. Disponível em: https://journals.iium.edu.my/al-fiqh/index.php/al-fiqh/article/view/103. Acesso em: 25 may. 2024.