Hua, Li, Wang Jinshuang, Yuan Jianbo, Yin Wenqing, Wang Zhiming, and Qian Youzhang. 2017. “Analysis of Threshed Rice Mixture Separation through Vibration Screen Using Discrete Element Method”. International Journal of Agricultural and Biological Engineering 10 (6):231-39. https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/2910.