فهرس المقالات Investment Efficiency حرية الوصول المقاله صفحة الملخص نص كامل 1 - Investigating the Effect of the CEO's Narcissism on Investment Efficiency and Financing Methods of Companies admit-ted to the Tehran Stock Exchange Mohammad Janalizadeh Majid Ashrafi Maryam Bokharaeian Khorasani Gemadverdi Gorganli Doji