Bayaraa B, Tarnoczi T, Fenyves V. Measuring performance by integrating k-medoids with DEA: Mongolian case. JBEM [Internet]. 2019 Oct. 14 [cited 2025 May 17];20(6):1238-57. Available from: https://journals.vilniustech.lt/index.php/JBEM/article/view/11237