KRUPSKA, J.; HARTENBERGER-LISZEK, J. Transport on own account – essence and regulations. Transport Economics and Logistics, [S. l.], v. 77, p. 73–81, 2018. DOI: 10.26881/etil.2018.77.07. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/znetil/article/view/2740. Acesso em: 7 dec. 2022.