Perbal , Taban Sabah. “The Second Letter by (Mas`ar Bin Muhalhal) Is a Historical Source for the Economy of the Kurdish Regions”. Zanco Journal of Human Sciences 25, no. 1 (February 10, 2021): 88–98. Accessed July 28, 2024. https://zancojournal.su.edu.krd/index.php/JAHS/article/view/2114.