List of Articles فاما - فرنچ Open Access Article Abstract Page Full-Text 1 - Improving the performance of Fama - French models in predicting expected returns by offering new definitions of risk factors in the Tehran stock exchange Ali Mohammadnejadaghdam Alireza Fazlzadeh Vahid Ahmadian Sajad Naghdi 10.30495/afi.2023.1972376.1171