WidhiartiR.P., AnggraeniL. and PasaribuS.H. 2018. Analysis of Investor Sentiment Impact in Indonesia Composite Stock Price Index Return Volatility. Indonesian Journal of Business and Entrepreneurship (IJBE). 4, 3 (Sep. 2018), 239. DOI:https://doi.org/10.17358/ijbe.4.3.239.