Mohammed Najim Abd Al-Shaybany. THE NEGATIVE IMPACTS FOR THE TAXATION SYSTEM DETERIORATION IN THE LATE ABBASID AGES. Euro. J. Hum. Edu. Adv. [Internet]. 2021Sep.30 [cited 2025Jan.24];2(9):99-110. Available from: https://scholarzest.com/index.php/ejhea/article/view/1700