Guedes, L. F. A., & Vasconcellos, L. (2009). A PROPOSAL FORECASTING MODEL FOR THE GROWTH OF THE MOBILE TELEPHONE MARKET IN BRAZIL. Future Studies Research Journal: Trends and Strategies, 1(1), 28–47. https://doi.org/10.24023/FutureJournal/2175-5825/2009.v1i1.2