Rasool, D.K. and Rajput, D.H.U.R. 2022. The Right to Freedom of Expression: A Research Analysis During the Caliphate of Umar Farooq (R.A): اظہارِ آزادی ٔ رائے کا حق:خلافتِ عمرفار وق ؓکی روشنی میں تحقیقی جائزہ. Al Khadim Research Journal of Islamic Culture and Civilization. 3, 1 (Mar. 2022), 18–31. DOI:https://doi.org/10.53575/arjicc.v3.01(22)u3.18-31.