Poophangjai, T. and Khokhajaikiat, P. (2012) “The quality improvement in electronic welding process : A case study of electronic Component Factory”, Engineering and Applied Science Research, 39(2), pp. 155–164. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/4579 (accessed: 28 September 2026).