%0 Journal Article %A Samavi, Mohammad Ebrahim, Nikoomaram, Hashem, Madanchi Zaj, Mahdi, Yaghobnezhad, Ahmad %T Dynamic GAS Based Modeling for Predicting and Assessing the Value at Risk of Bitcoin and Gold %J Financial Engineering and Portfolio Management %V 13 %N 51 %P 241-264 %D 2022 %R %U https://sanad.iau.ir/fa/Article/1078762