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Hassan, G. 2023. 

THE EFFORTS of the CALIPHAH UMAR IBN ’ABD AL-’AZIZ (May Allaah Have Mercy on Him) in the PAYMENT of the INFIDEL SUSPICIONS. Islamic Sciences Journal. 10, 3 (Feb. 2023), 244–262. DOI:https://doi.org/10.25130/jis.19.10.3.12.