SUBIYANTO, M. L.; SEDIONO, S.; ANA, E.; MARDIANTO, M. F. F.; PUSPORANI, E. Peramalan Harga Gandum di Tengah Invasi Rusia ke Ukraina dengan Pendekatan Intervensi Fungsi Step. Journal of Mathematics Education and Science, [S. l.], v. 6, n. 2, p. 167–175, 2023. DOI: 10.32665/james.v6i2.1824. Disponível em: https://journal.unugiri.ac.id/index.php/JaMES/article/view/1824. Acesso em: 12 may. 2024.