Samuel Olorunfemi Adams, Praise Ifeanyichukwu Olives. Modelling and Forecasting of Crude Oil Price Return Volatility from 2006-2023: An Application of the Garch Models. jst. 2025;17(1):94-107. Accessed August 14, 2026. https://journal.uthm.edu.my/index.php/JST/article/view/18812