MULTIYANINGRUM, R.; AMRI, I. F.; HARIS, M. A.; SALSABILLA, H. A.; GINASPUTRI, H. N. A.; SINTYA, S. D. Forecasting the Volatility of Tuna Fish Prices in North Sumatra using the ARCH Method in the Period January - April 2024. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 7, n. 2, p. 93–101, 2024. DOI: 10.29303/emj.v7i2.236. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/236. Acesso em: 16 nov. 2024.