Gonzalez-Feliu, Jesus, Cristina Pronello, Josep Maria Salanova Grau, and Paulius Skačkauskas. “Collaboration and Urban Transport”. Transport 33, no. 4 (December 5, 2018): 861-866. Accessed March 29, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/6156.