Krzysztof Grzelec

Ensuring sustainable development of urban public transport: A case study of the trolleybus system in Gdynia and Sopot (Poland)

M. Wołek, M. Wolanski, M. Bartłomiejczyk, 2021 .

Analysing Ways to Achieve a New Urban Agenda-Based Sustainable Metropolitan Transport

J. Żukowska, L. Michalski, K. Jamroz, 2019, Sustainability.

Effects of the Covid-19 travel restrictions on metropolises mobility: empirical evidence from the Tricity metropolis (Poland)

O. Wyszomirski, K. Hebel, R. Okraszewska, 2023, Prace Komisji Geografii Komunikacji PTG.

DEVELOPING A CYCLING SUBSYSTEM AS PART OF A SUSTAINABLE MOBILITY STRATEGY: THE CASE OF GDANSK

Kazimierz Jamroz, Romanika Okraszewska, Krzysztof Grzelec, 2016 .

The Effects of the Selective Enlargement of Fare-Free Public Transport

K. Grzelec, A. Jagiełło, Krzysztof Grzelec, 2020, Sustainability.