Abi Rafdhi Hernandy, Aniq Atiqi Rohmawati, and Putu Harry Gunawan. 2021. “An Exponential Smoothing Holt-Winters Based-Approach for Estimating Extreme Values of Covid-19 Cases”. Indonesia Journal on Computing (Indo-JC) 6 (2), 43-52. https://doi.org/10.34818/INDOJC.2021.6.2.576.