Goje, K. “Ø§Ù„Ù…ØµØ§Ø¯Ø± Ø§Ù„Ø§Ù‚ØªØµØ§Ø¯ÙŠØ© ÙÙŠ Ø¹Ù‡Ø¯ Ø¹Ù…Ø± Ø¨Ù† Ø§Ù„Ø®Ø·Ø§Ø¨: Ø¯Ø±Ø§Ø³Ø© ØªØÙ„ÙŠÙ„ÙŠØ© ÙÙŠ Ø¶ÙˆØ¡ Ø§Ù„Ø³Ù†Ø© (Domestic Revenue in the Era of Umar Bin Khattab: An Analytical Study in the Light of the Sunnah)”. Journal Of Hadith Studies, vol. 2, no. 2, Dec. 2017, doi:10.33102/johs.v2i2.24.