TY - JOUR AU - Taheri, Alishir AU - Shafiee, Morteza AU - Evazzadeh Fath, Fariborz TI - Investigating the Role of Non-Financial Information Analysis and Risk- Return Analysis along with Financial Information in Increasing the Efficiency of the Stock Portfolio of Banks JO - Journal of System Management VL - 5 IS - 3 SP - 123 EP - 138 PY - 2019 DO - ER -