SULTANBEK, M.; ADILOVA, N.D.; SARZHANOV, D.K. Improvement of the demand planning system for freight transportation on the mainline railway transport. BUKETOV BUSINESS REVIEW, [S. l.], v. 110, n. 2, p. 102–110, 2023. DOI: 10.31489/2023ec2/102-110. Disponível em: https://bbr.buketov.edu.kz/economy-vestnik/article/view/592. Acesso em: 4 feb. 2026.