Muhammad Baiquni Syihab, Yuana Tri Utomo. PRAKTEK EKONOMI ISLAM UMAR BIN KHATAB SEBAGAI KEPALA NEGARA. HT [Internet]. 2022Feb.24 [cited 2024Jul.3];2(Special Issue 2):549-58. Available from: https://journal.ikopin.ac.id/index.php/humantech/article/view/1355