Puapairoj, Sarunya, Sittisak Samornrit, Kanuengnit Marongmued, Sirinan Wonglam, Santipab Sainon, and Chiranut Sa-ngiamsak. 2017. “Effect of magnetic field and electric field emission from discharge current in gold ball bonding process upon TMR heads”. Asia-Pacific Journal of Science and Technology 17 (3):358-65. https://so01.tci-thaijo.org/index.php/APST/article/view/82919.