Varongsinghara, Eakachai, Khatachai Khoontanasinchai, Supadaech Chanjaradwichai, and Pisit Phokharatkul. “The manufacture monitoring system base on SPC rules”. Asia-Pacific Journal of Science and Technology 13, no. 3 (April 13, 2017): 329–334. accessed April 22, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/83059.