Green logistics and digitalization: a strategy for optimizing courier services in Kazakhstan. Journal of Economic Research & Business Administration, [S. l.], v. 153, n. 3, p. 104–117, 2025. DOI: 10.26577/be202515337. Disponível em: https://be.kaznu.kz/index.php/math/article/view/2975. Acesso em: 13 jul. 2026.