List of Articles مدل رگرسیون تابلویی چندک. طبقه بندی JEL : C23 Open Access Article Abstract Page Full-Text 1 - The Impact of Health Costs on Income Inequality in Selected Members Countries of Islamic Cooperation Organization Mohammad Ameli Abolfazl Ghiasvand Manijeh Hadinejad 10.30495/fed.2024.709345