Yatskiv (Jackiva), Irina, and Nadezda Spiridovska. “Application of Ordinal Regression Model to Analyze Service Quality of Riga Coach Terminal”. Transport 28, no. 1 (March 31, 2013): 25-30. Accessed November 23, 2024. https://bme.vgtu.lt/index.php/Transport/article/view/4083.