Ergul, F., Akcan, S. and Yuregir, O.H. 2023. EFFICIENCY EVALUATIONS OF RAILWAYS USING RELATIONAL NETWORK DATA ENVELOPMENT ANALYSIS. International Journal of Industrial Engineering: Theory, Applications and Practice. 30, 5 (Oct. 2023). DOI:https://doi.org/10.23055/ijietap.2023.30.5.9039.