HARUTYUNYAN , A. H. .; GHARAGYOZYAN , S. H. . Symbiosis of Email and SMS. Mathematical Problems of Computer Science, [S. l.], v. 45, p. 122–126, 2021. Disponível em: http://mpcs.sci.am/index.php/mpcs/article/view/175. Acesso em: 3 may. 2024.