List of Articles تمرکز بانکی Open Access Article Abstract Page Full-Text 1 - Comparison of the impact of business environment on the development indicators of the banking industry In developing and developed countries marjan damankeshideh Open Access Article Abstract Page Full-Text 2 - The Effect of Marketing Costs, Bank Concentration and Competitiveness on Banking Stability: The Case of Selected Oil Exporting Countries mohamad kamal mazhar al yaser hosein sharifi renani ghasan taregh zaher almamori mostafa rajabi