Arifin, Arianty Nur, Sugiyanto, and Muhammad Bayu Nirwana. “Early Detection of Indonesian Financial Crisis Using Combination of Markov Regime Switching and Volatility Models”. Proceeding International Conference on Religion, Science and Education 1 (February 22, 2022): 657–664. Accessed July 13, 2026. http://sunankalijaga.org/prosiding/index.php/icrse/article/view/851.