KUSHWAHA, A.; DAS, R.; SHARMA, C. Trusted Third Party-based CDR Management System. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 6, n. 1, p. 43–46, 2014. Disponível em: https://jtec.utem.edu.my/jtec/article/view/458. Acesso em: 11 may. 2024.