Saqib, D. L., and R. A. . Faizy. “Revenue Laws in the Yūsufzai State of Swat, Khyber Pakhtunkhwa, Pakistan (An Analysis from Islamic Law’s Perspective)”. Al-Aijaz Research Journal of Islamic Studies & Humanities , vol. 5, no. 4, Oct. 2021, pp. 1-15, doi:10.53575/e1.v5.04.(21)1-15.