GRONFULA, Mohammed Ghazi; ABBOD, Maysam. Implementation and Development of a Global Index for Level of Service Evaluation at Airport Passenger Terminals: Hajj Terminal Saudi Arabia. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 21, n. 2, p. 373–395, 2015. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/3712. Acesso em: 13 sep. 2025.