AHMAD, Upi Sopiah; YUSLEM, Nawir; ZEIN, Achyar. Analysis of the Legitimacy of the Istisnā’ Contract from the Perspective of Mu’āmalah Verses and Hadith. IJoIS: Indonesian Journal of Islamic Studies, [S. l.], v. 6, n. 2, p. 177–188, 2025. DOI: 10.59525/ijois.v6i2.1260. Disponível em: https://journal.civiliza.org/index.php/ijois/article/view/1260. Acesso em: 8 feb. 2026.