%0 Journal Article %A Najarzadeh, Reza, Zolfaghari, Mehdi, Golami, Samad %T Designing a model for forecasting the return of the stock index (with emphasis on neural network combined models and long-term memory models) %J Journal of Investment Knowledge %V 9 %N 34 %P 231-257 %D 2020 %R %U https://sanad.iau.ir/fa/Article/842549