Chen, Yueh-Li, Long-Hui Chen, and Chien-Yu Huang. “FUZZY GOAL PROGRAMMING APPROACH TO SOLVE THE EQUIPMENT-PURCHASING PROBLEM OF AN FMC”. International Journal of Industrial Engineering: Theory, Applications and Practice 16, no. 4 (August 6, 2009). Accessed June 19, 2026. https://www.ijietap.com/index.php/ijie/article/view/72.