Yushimito, Wilfredo F, Paulo N Alves, Jr., Enrique Canessa, and Filadelfo de Mateo. “Relating Efficiency With Service Compliance Indices in Public Transportation Using Slack-Based Measure Data Envelopment Analysis and Shadow Prices”. Promet - Traffic&Transportation 30, no. 6 (December 21, 2018): 661-670. Accessed March 29, 2024. https://traffic.fpz.hr/index.php/PROMTT/article/view/2758.