Forecasting Rupiah-to-US Dollar Exchange Rate 2020 - 2025 Using a Fuzzy Time Series Markov Chain Model. Indonesian Actuarial Journal, [S. l.], v. 1, n. 1, p. 60–72, 2025. DOI: 10.65689/iajvol01no1pp060-072. Disponível em: https://iaj.aktuaris.or.id/index.php/iaj/article/view/28. Acesso em: 22 dec. 2025.