@article{ author = {Chitsazan, Hasti, Moghadasi, Motahareh, Tehrani, Reza, Mehrara, Mohsen}, title = {Long Memory usage in Portfolio Optimization using the Copula‌ Functions: Empirical evidence of Iran and Turkey Stock Markets}, journal = {Financial Engineering and Portfolio Management}, year = {2021}, volume = {12}, number = {49}, pages = {422-445}, doi = {} }