فهرس المقالات External Clients حرية الوصول المقاله صفحة الملخص نص كامل 1 - Designing a Positioning Model for State Banks' Services and its Validation from the Perspective of External Customers Zohreh Kian Mehr Hossein Hakimpour Mahdi Mahmoodzadeh Vashan Mohammad Mohammadi 10.30495/jsm.2021.1942925.1543