Efrinaldi E. POLA TRANSAKSI PADA COMMODITY EXCHANGE : Perspektif Hukum Islam. Al-Istinbath: Jurnal Hukum Islam [Internet]. 2017 Dec. 27 [cited 2024 Nov. 24];2(2 December):197-212. Available from: https://journal.iaincurup.ac.id/index.php/alistinbath/article/view/283