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Writer : Ebrahimi، Morteza ؛ Bagherzadeh Valami، Hadi ؛ Karamali، Leila ؛
Journal:Journal of Mathematics and Modeling in Finance»Summer and Autumn 2021, Volume 1- Number 2 (13 page(s) - From 181 to 193 )
Keywords:riskEfficiencyPortfoliodata envelopment analysisMean-Variance