Zoaib Mirza,  Khilafat from Khilafat-e-Rashida: The Only Form of Governance to Unite Muslim Countries.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2023, vol. 203(11). 770 - 775
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013354.