СІНГАЄВСЬКА, М. П. Economical performance on the enterprices of trail transport. Problems of Informatization and Management, [S. l.], v. 2, n. 13, p. 105–113, 2005. DOI: 10.18372/2073-4751.2.11591. Disponível em: https://jrnl.nau.edu.ua/index.php/PIU/article/view/11591. Acesso em: 23 feb. 2026.