Wang, Qingqing, et al. “Multi-Objective Optimization Design of Wheat Centralized Seed Feeding Device Based on Particle Swarm Optimization (PSO) Algorithm”. International Journal of Agricultural and Biological Engineering, vol. 13, no. 6, Dec. 2020, pp. 76-84, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/5665.