Caojun, H., Jing, Z., Chen, Z., Boshi, L., & Dekui, X. (2015). BeiDou-GPS integrated dual-system with multi-satellites for positioning and navigating farm vehicles. International Journal of Agricultural and Biological Engineering, 8(5), 79–85. Retrieved from https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1400