Titko, Jelena, Jelena Stankevičienė, and Nataļja Lāce. “Measuring Bank Efficiency: DEA Application”. Technological and Economic Development of Economy 20, no. 4 (December 16, 2014): 739-757. Accessed February 7, 2025. https://mla.vilniustech.lt/index.php/TEDE/article/view/3438.