Resende M and LO Facanha (2002). “Privatization and Efficiency in Brazilian Telecommunications: An Empirical Study.” Appl Econ Letters 9(12): 823-826.
Resende M and LO Facanha (2002). “Privatization and Efficiency in Brazilian Telecommunications: An Empirical Study.” Appl Econ Letters 9(12): 823-826.