Elias Ahmed Al-Taee, Mahmood, and Saad Abdul Jabbar Al- Rajaboo. “Effect of Chisel Plow Shanks Shape on Power Requirements of Tractor”. Al-Rafidain Engineering Journal (AREJ) 16, no. 4 (September 28, 2008): 17–26. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/arej/article/view/30734.