Sirikasemsuk, Kittiwat, and Sarawut Sirikasemsuk. “Measure and Analysis of the Bullwhip Effect in Supply Chain When Demand Correlation Exists Between Two Market Groups Under the First-Order Moving-Average Demand Processes”. International Journal of Engineering and Technology 7, no. 3.13 (July 27, 2018): 108–112. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/16335.