Kamonkhantithorn, Choosak, and Ekkapol Anusurain. 2022. “Vibration Analysis in Case of Bearing Motor Defected by Piezoelectric Sensor”. Rattanakosin Journal of Science and Technology 4 (1):54-62. https://ph02.tci-thaijo.org/index.php/RJST/article/view/245821.