ANALISA PRAKTIK AKAD ISTISHNA TERHADAP JUAL BELI FIBER OPTIK PERSPEKTIF HUKUM POSITIF DAN HUKUM ISLAM: Studi di PT Smart Innovation Technology. Jurnal Penelitian Multidisiplin Ilmu, [S. l.], v. 1, n. 3, p. 579–590, 2022. DOI: 10.59004/metta.v1i3.194. Disponível em: https://melatijournal.com/index.php/Metta/article/view/194. Acesso em: 26 oct. 2025.