ZAINAL MUTTAQIN. BAI’ AS-SALAM DAN BAI’ AL-ISTISHNA’: DEFINISI, KONTRAS, DALIL SYAR’I, PILAR- PILAR, KETENTUAN, SERTA APLIKASI DALAM PRODUK PERBANKAN ISLAM. Ash-Shiddiqiyah Journal of Islamic Economics and Business, [S. l.], v. 1, n. 1, p. 10–17, 2026. Disponível em: https://journal.iainasiq.ac.id/index.php/AJIEB/article/view/132. Acesso em: 24 jun. 2026.