Khah May, She, and Pan Wei Yeing. “Portfolio Analysis Using Malaysia Stock Market Data: Before and During COVID-19 Pandemic”. Enthusiastic : International Journal of Applied Statistics and Data Science 2, no. 2 (October 30, 2022): 97–109. Accessed May 7, 2024. https://journal.uii.ac.id/ENTHUSIASTIC/article/view/25083.