NGUYEN, Q. D.; NGUYEN, K. V. .; SAKULYEVA, T. An Analysis of Consumer Trends in the Telecommunications Markets of Russia and Vietnam. Journal of Telecommunications and the Digital Economy, [S. l.], v. 9, n. 3, p. 87–109, 2021. DOI: 10.18080/jtde.v9n3.366. Disponível em: https://jtde.telsoc.org/index.php/jtde/article/view/366. Acesso em: 27 oct. 2021.