Usman, Mustafa, M. Yuzan Wardhana, and Mauwaddah Istiqamah. “Analysis of the Risk of Rubber Prices Using the ARCH-GARCH and VaR Methods on Farm Income in West Aceh District”. International Journal on Advanced Science, Engineering and Information Technology 12, no. 3 (June 17, 2022): 1018–1022. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/13637.