Arif, Erman, Dodi Devianto, Mutia Yollanda, and Afrimayani Afrimayani. “Analysis of Precious Metal Price Movements Using Long Memory Model and Fuzzy Time Series Markov Chain”. International Journal of Energy Economics and Policy 12, no. 6 (November 28, 2022): 202–214. Accessed December 23, 2024. https://econjournals.com.tr/index.php/ijeep/article/view/13531.