Khotimah, Eka, and Muhamad Syarieffuddien Zuhrie. “Perancangan Sistem Kendali Self Balancing Pada Twin Rotor Propeller Berbasis Hybrid PD-Fuzzy Controller”. Indonesian Journal of Engineering and Technology (INAJET), vol. 3, no. 1, Sept. 2020, pp. 28-37, doi:10.26740/inajet.v3n1.p28-37.