Hemakorn, K. and Wongthatsanekorn, W. (2012) “Applying Fuzzy Technique for Multi-objective Machine Assignment Problem in Electronic Part Factory”, Engineering and Applied Science Research, 38(2), pp. 117–127. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/1599 (accessed: 23 September 2026).