asma'i arif sallehuddin, “Study for Structure Analysis for Different Material Use for VTOL Drone”, rpmme, vol. 4, no. 2, pp. 304–310, Jan. 2024, Accessed: Aug. 15, 2026. [Online]. Available: https://periodical.uthm.edu.my/index.php/rpmme/article/view/13534