ปานกลาง น. . The Modification of 9-DOF Curve Elements to Increase Accuracy in Electric Field Calculation. Journal of Engineering, RMUTT, [S. l.], v. 6, p. 9–18, 2005. Disponível em: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242290. Acesso em: 16 may. 2024.