LA, N.-T.; NGUYEN, T.-T.; NGUYEN, V.-D. A comparative study on the two vibration driven locomotion systems in various friction levels. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 43, n. 2, p. 121–137, 2021. DOI: 10.15625/0866-7136/15662. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/15662. Acesso em: 27 jun. 2022.