DYR, Tadeusz. Solaris ? leader on the market of city buses in Poland. AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe, [S. l.], v. 19, n. 1-2, p. 18–25, 2018. DOI: 10.24136/atest.2018.001. Disponível em: https://journals.economic-research.pl/atest/article/view/701. Acesso em: 10 sep. 2024.