Zhu, Hang, Hongze Li, Anderson P. Adam, Liujun Li, and Lei Tian. “Performance Evaluation of a Multi-Rotor Unmanned Agricultural Aircraft System for Chemical Application”. International Journal of Agricultural and Biological Engineering 14, no. 4 (July 31, 2021): 43–52. Accessed January 27, 2026. https://ijabe.org/index.php/ijabe/article/view/6194.