//-->
Sanitation and water services : who is the most efficient provider public or private? : evidences for Brazil
Pereira, Mariana de Souza, (2022)
Dynamic efficiency in the English and Welsh water and sewerage industry
Pointon, Charlotte, (2014)
Pointon, Charlotte, (2016)
Service quality in Brazilian mobile telephony: an efficiency frontier analysis
Resende, Marcelo, (2009)
Efficiency and regulatory issues in the Brazilian water and sewage sector: an empirical study
Tupper, Henrique Cesar, (2004)