al-Athar al-waridah'an'Umar ibn al-Khattab fi al-buyu' : dirasah tahliliyah fi daw' al-iqtisad al-mua'sir - Ghuji, Kabir (Nilai, Negeri Sembilan : Penerbit Universiti Sains Islam Malaysia, 2014)
Keywords: 'Umar ibn al-Khattab, -- Caliph, -- d. 644 -- Views on Economics; 'Umar ibn al-Khattab, -- Caliph, -- d.664 -- Contributions in Islamic economics; Sales (Islamic law); Economic -- Religious aspects -- Islam