Abdallah, Anas Dafaallah, Qingxi Liao, Elebaid Jabir Ibrahim, and Lei Wang. “Design and Experiment of the Pneumatic Cylinder Type Precision Metering System for Wheat”. International Journal of Agricultural and Biological Engineering 16, no. 5 (December 29, 2023): 88–94. Accessed December 26, 2025. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7444.