Aysan AF, Karakaya MM, Uyanik M. Panel stochastic frontier analysis of profitability and efficiency of Turkish banking sector in the post crisis era. JBEM [Internet]. 2011Nov.21 [cited 2024Sep.28];12(4):629-54. Available from: https://jbem.vilniustech.lt/index.php/JBEM/article/view/5057