Sulisti, Nanda, and Agung Nusantara. “Analysis of Volatility and Stock Risk in Energy Sector Companies Using The ARCH/GARCH Method”. Economics and Business International Conference Proceeding 1, no. 2 (July 27, 2024): 1199–1207. Accessed November 21, 2024. https://jurnalnew.unimus.ac.id/index.php/EBiC/article/view/531.