Cristofoli F, Junior ACL, Feitera CH. Benefits from the VOIP Use: a case study at GM. Rev. Bras. Gest. Neg. [Internet]. 2007 Jul. 23 [cited 2024 Dec. 22];8(21):55-69. Available from: https://rbgn.fecap.br/RBGN/article/view/61