ORZEŁ, Artur; STEPANIUK, Róża. Sustainable urban public transport within the framework of the Eastern Poland Operational Programme 2014-2020. AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe, [S. l.], v. 18, n. 1-2, p. 37–39, 2017. DOI: 10.24136/atest.2017.004. Disponível em: https://journals.economic-research.pl/atest/article/view/648. Acesso em: 21 may. 2024.