SETIAWAN, F.; SOFYAN, E.; HADI, M. Perencanaan Preventive Maintenance Ram Air Actuator pada Pesawat Boeing 737 Next Generation Menggunakan Metode Reliability Di PT. GMF Aeroasia. Journal of Applied Mechanical Engineering and Renewable Energy, v. 1, n. 2, p. 53-62, 31 Aug. 2021.