Raczyńska-Buława, Ewa. “Older People and City Public Transport : Problems and Barriers”. AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 18, no. 1-2 (February 28, 2017): 26–36. Accessed May 21, 2024. https://journals.economic-research.pl/atest/article/view/647.