N. P. E. P. A. Adriani, R. R. Huizen, and D. Hermawan, “A Machine Learning-Based Approach for Retail Demand Forecasting: The Impact of Spending Score and Algorithm Optimization”, J. Ilm. Tek. Elektro Komput. Dan Inform, vol. 11, no. 2, pp. 169–183, Apr. 2025.