HNIN, M. T.; HTIKE, T. M. Investigation of natural frequency and critical speed for Jeffcott rotor system. Journal of Research and Applications in Mechanical Engineering, [S. l.], v. 9, n. 1, p. JRAME–21, 2020. Disponível em: https://ph01.tci-thaijo.org/index.php/jrame/article/view/240901. Acesso em: 15 sep. 2026.