Abdul Basit, Dr. Muhammad Touseef, Zobia Parveen, Hafiz Muhammad Hassaan Saeed, Muhammad Umair Raouf and Dr. Hafiz Abdul Manan Zahidi 2023. A critical study of Hallaq’s “Theory of Variation of Islamic law”. Al-Qanṭara. 9, 3 (Sep. 2023), 170–178.