ХМЕЛЕВСКАЯ, Е. On the question of raising the level of competitiveness of the industry of Kazakhstan civil aviation. Journal of Economic Research & Business Administration, [S. l.], v. 90, n. 2, p. 124–127, 2015. Disponível em: https://be.kaznu.kz/index.php/math/article/view/637. Acesso em: 24 nov. 2024.