Sarker, Sudipa, and Mahbub Hossain. “INCREASING FORECASTING ACCURACY OF TREND DEMAND BY NON-LINEAR OPTIMIZATION OF THE SMOOTHING CONSTANT”. Journal of Mechanical Engineering 41, no. 1 (June 28, 2010): 58–64. Accessed April 26, 2024. https://www.banglajol.info/index.php/JME/article/view/5363.