Tumthong, Winai, Prasertsiri Varunchittapongsa, and Jiraphon Srisertpol. “Equipment to detect bad isolator in hard disk drive testing process”. Engineering and Applied Science Research 41, no. 3 (October 24, 2014): 301–311. accessed December 16, 2025. https://ph01.tci-thaijo.org/index.php/easr/article/view/22503.