Chaiarun, Pat, Boonme Chinnaboon, Somchai Chucheepsakul, and Monchai Panyatong. “Free Vibration Analysis of Orthotropic Thick Plates by Boundary Element Method”. Science and Engineering Connect 47, no. 3 (September 30, 2024): 295–321. accessed April 26, 2025. https://ph04.tci-thaijo.org/index.php/SEC/article/view/7718.