CHHABRA, K. . No Human Vehicle Tolling System. European Journal of Engineering Science and Technology, [S. l.], v. 2, n. 4, p. 12–19, 2019. DOI: 10.33422/EJEST.2019.09.34. Disponível em: https://www.dpublication.com/journal/EJEST/article/view/119. Acesso em: 28 sep. 2022.