Jalaludin A. Analisis Akad Ijārah ‘Ala al-A’mal Pada Produk Pemesanan Online Paket Santri Gontor (Studi Kasus di La Tansa Darussalam Distributor Center (DDC), Ponorogo). JIEI [Internet]. 2022 Jul. 5 [cited 2025 Jul. 18];8(2):1562-9. Available from: https://jurnal.stie-aas.ac.id/index.php/jei/article/view/4820