DOLIA, O. Analysis of modern scientific approaches to calculating the number of passengers on air transport. International Science Journal of Engineering & Agriculture, [S. l.], v. 1, n. 3, p. 247–272, 2022. DOI: 10.46299/j.isjea.20220103.20. Disponível em: https://isg-journal.com/isjea/article/view/69. Acesso em: 18 may. 2024.