MUHAMMAD BAIQUNI SYIHAB; YUANA TRI UTOMO. PRAKTEK EKONOMI ISLAM UMAR BIN KHATAB SEBAGAI KEPALA NEGARA. Humantech : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 2, n. Special Issue 2, p. 549–558, 2022. DOI: 10.32670/ht.v2iSpecial Issue 2.1355. Disponível em: https://journal.ikopin.ac.id/index.php/humantech/article/view/1355. Acesso em: 3 jul. 2024.