Bing, X., Fulin, W., Jiquan, W., & Shengxue, Z. (2017). Establishment and verification of labor demand estimation model in planting industry. International Journal of Agricultural and Biological Engineering, 10(6), 86–93. Retrieved from https://www.ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/3094