Харченко, В. П., О. Є. Луппо, and О. М. Алексеев. “Some Aspects Establishment System of Safety Management in Civil Aviation of Ukraine”. Problems of Informatization and Control 1, no. 19 (October 16, 2007): 148–153. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/9073.