List of Articles تنوع پرتفوی Open Access Article Abstract Page Full-Text 1 - Survey on the relationship between transaction activity ratio and risk, return & portfolio diversification of mutual funds Hassan Ghalibaf Asl Maliheh Kordi Open Access Article Abstract Page Full-Text 2 - Effect of portfolio diversification and performance of selected private banks in Iran nasrin takaloo asma shiri Ali Akbar Gholizadeh 10.30495/ecomag.2023.706729