JALALUDIN, Achmad. Analisis Akad Ijārah ‘Ala al-A’mal Pada Produk Pemesanan Online Paket Santri Gontor (Studi Kasus di La Tansa Darussalam Distributor Center (DDC), Ponorogo). Jurnal Ilmiah Ekonomi Islam, [S. l.], v. 8, n. 2, p. 1562–1569, 2022. DOI: 10.29040/jiei.v8i2.4820. Disponível em: https://jurnal.stie-aas.ac.id/index.php/jei/article/view/4820. Acesso em: 18 jul. 2025.