Sivilevičius, Henrikas, and Lijana Maskeliūnaitė. “The Criteria for Identifying the Quality of passengers’ Transportation by Railway and Their Ranking Using AHP Method”. Transport 25, no. 4 (December 31, 2010): 368-381. Accessed July 7, 2024. https://jau.vgtu.lt/index.php/Transport/article/view/5811.