[1]
J. Skrzypek and M. R. Trojak, “Measuring the efficiency of Polish banks using stochastic frontier approach”, Folia Oeconomica, vol. 3, no. 303, Nov. 2014, Accessed: Mar. 29, 2026. [Online]. Available: https://www.czasopisma.uni.lodz.pl/foe/article/view/194