Schnaider, P., Dias Fouto, N. M. M., Saes, M. S. M., & de Angelo, C. F. (2011). COMPETITION IN THE BRAZILIAN MOBILE TELEPHONY SEGMENT. Future Studies Research Journal: Trends and Strategies, 3(2), 145–170. https://doi.org/10.24023/FutureJournal/2175-5825/2011.v3i2.88