Performance of SARIMA, LSTM, GRU and Ensemble Methods for Forecasting Nickel Prices. Scientific Journal of Informatics, [S. l.], v. 12, n. 4, 2025. DOI: 10.15294/sji.v12i4.32225. Disponível em: https://journal.unnes.ac.id/journals/sji/article/view/32225. Acesso em: 5 dec. 2025.