Ebrahim, Ismail Z, Ayman Hafiz Amer Eissa, and Yingkuan Wang. “Vertical Brush Seed Metering Device for Sweet Sugar Beet Planter”. International Journal of Agricultural and Biological Engineering 3, no. 1 (March 31, 2010): 26–37. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/202.