ANALISIS HUKUM ISLAM TERHADAP JASA PENGIRIMAN BARANG/SURAT DI PT POS INDONESIA DALAM IMPLEMENTASI AKAD WAKALAH BIL UJRAH. Ummul Qura Jurnal Institut Pesantren Sunan Drajat (INSUD) Lamongan, [S. l.], v. 13, n. 1, p. 65–81, 2019. DOI: 10.55352/uq.v13i1.409. Disponível em: https://ejournal.unsuda.ac.id/index.php/UQ/article/view/409. Acesso em: 19 may. 2026.