Dhali, Md Nayan, Nandita Barman, and M Babul Hasan. “Determination of Optimal Smoothing Constants for Holt - Winter’s Multiplicative Method”. Dhaka University Journal of Science 67, no. 2 (July 30, 2019): 99–104. Accessed August 16, 2024. https://banglajol.info/index.php/DUJS/article/view/54580.