Bayaraa B, Tarnoczi T, Fenyves V. Measuring performance by integrating k-medoids with DEA: Mongolian case. JBEM [Internet]. 2019Oct.14 [cited 2024Jul.2];20(6):1238-57. Available from: https://jbem.vilniustech.lt/index.php/JBEM/article/view/11237