The Study of Banking System Functionality Based on Data Envelopment Analysis (DEA) Method: A Case Study in Keshavarzi Banks in Kurdistan Province. Mediterranean Journal of Social Sciences, [S. l.], v. 6, n. 6 S2, p. 547, 2015. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/8130.. Acesso em: 12 apr. 2025.