Pham, Tuan Hung, and Duc Cuong Nguyen. “Optimization of Variable-Direction Long-Range Trajectory for the Unpowered Flight Vehicle”. Vietnam Journal of Science and Technology 63, no. 1 (February 28, 2025): 176–185. Accessed January 11, 2026. https://vjs.ac.vn/jst/article/view/18306.