Shi, Meiping, and Azri Bin Usman. “Developing a Commercial Model for High-Altitude Cleaning Using Drones in the Context of China’s Low-Altitude Economy: A Case Study of Yunnan Kexing UAV General Aviation Company”. International Journal of World Economic Research, vol. 2, no. 2, July 2026, pp. 51-55, https://doi.org/10.54097/yd7aa558.