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 August 17, 2025. https://jbem.vilniustech.lt/index.php/Transport/article/view/6156.