Intervention Analysis for Modeling and Forecasting Exchange Rates Rupiah Against Yen. Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 20, n. 1, p. 47–57, 2023. DOI: 10.31851/sainmatika.v20i1.9209. Disponível em: https://jurnal.univpgri-palembang.ac.id/index.php/sainmatika/article/view/9209. Acesso em: 21 jun. 2026.