Al-Idah, J. E., and Saeed Akhtar Dr. Ata ur Rahman. “Islamic Concept of Crime and Punishment: A Critical Appraisal of Robert Spencer’s Views ”. Al-Idah , Vol. 31, no. - 2, June 2019, pp. 126 -31, https://www.al-idah.pk/index.php/al-idah/article/view/186.