Farah Ayu Mufida, Nurafni Eltivia, and Nur Indah Riwajanti. 2024. “Time Series Forecasting of Nickel Sales in Nickel Mining Companies Listed on Indonesia Stock Exchange (IDX)”. ECo-Fin 6 (2):133-42. https://doi.org/10.32877/ef.v6i2.1110.