Endang Soeryana Hasbullah, Sukono, Endang Rusyaman, Mochamad Suyudi, Kalfin, Nurfadhlina bt Abdul Halim. (2020). Optimization of the Mean-Variance Investment Portfolio of Some Stocks under Market Sentiment and the ARMAX-GARCH Model. International Journal of Advanced Science and Technology, 29(06), 3280 - 3288. Retrieved from http://sersc.org/journals/index.php/IJAST/article/view/14063