Pająk, Anna, and Artur Orzeł. 2018. “The Startegy of Sustainable Public Transport in the City of Kielce for the Years 2014 to 2020”. AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19 (10):38-40. https://doi.org/10.24136/atest.2018.331.