Yenradee, P., S. Predawut, P. Rungmanochai, and W. Eamcharoenying. 2013. “Integrated Aggregate Production and Marketing Promotion Planning under Uncertainty: A Case Study”. Applied Science and Engineering Progress 4 (2):15-27. https://ph02.tci-thaijo.org/index.php/ijast/article/view/67367.