CHUDZIKIEWICZ, A.; BOGACZ, R. THE PROCESS OF STUDY IN THE FIELD OF TRAMS’ MODERNIZATION. Science and Transport Progress , [S. l.], n. 5, p. 220–226, 2004. DOI: 10.15802/stp2004/20680. Disponível em: https://stp.ust.edu.ua/article/view/20680. Acesso em: 2 may. 2024.