Tang, Chunyan, Avishai (Avi) Ceder, and Shengchuan Zhao. “Minimizing User and Operator Costs of Single Line Bus Service Using Operational Strategies”. Transport 33, no. 4 (December 5, 2018): 993-1004. Accessed April 24, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/6595.