W. Wildani Alfarisi, Z. Haura, D. Aurilia Pratiwi, F. Alamanda Putri, E. Sadewo, and G. Darmawan, “Comparative Analysis of Fourier Series Analysis and Holtwinters Methods on Forecasting Additive Seasonal Data”, Innovative, vol. 4, no. 1, pp. 1310–1325, Jan. 2024.