Aden, A., & Oktaviani, F. (2024). Analysis of Predicting the Exchange Rate of the IDR Against the US Dollar Using the Fuzzy Time Series Methods of Chen and Cheng. JURNAL ILMIAH MATEMATIKA DAN TERAPAN, 21(2), 193 - 199. https://doi.org/10.22487/2540766X.2024.v21.i2.16530