PODOLYAKINA, Natalia. Aircraft maintenance enterprises expenditures formation economic model: Solution problems and directions. Transport, [S. l.], v. 20, n. 5, p. 214–217, 2005. DOI: 10.3846/16484142.2005.9638022. Disponível em: https://journals.vilniustech.lt/index.php/Transport/article/view/8376. Acesso em: 16 may. 2025.