Chaberko, Tomasz, and Paweł Kretowicz. “Local Public Transport Planning in Poland - Geographical Input”. Bulletin of Geography. Socio-economic Series, no. 23 (February 18, 2014): 7–24. Accessed July 23, 2024. https://apcz.umk.pl/BGSS/article/view/bog-2014-0001.