BOUDANI, A.; BERGHEUL, S.; BELKHEIR, S.; ATTATFA, W. IMPROVING AIR NAVIGATION AT CHLEF AERODROME BY IMPLEMENTING A NEW INSTRUMENT LANDING SYSTEM (ILS). Journal of Fundamental and Applied Sciences, [S. l.], v. 13, n. 1, p. 310–322, 2020. DOI: 10.4314/jfas.v13i1.17. Disponível em: https://jfas.info/index.php/JFAS/article/view/890. Acesso em: 31 jan. 2025.