https://hdl.handle.net/10438/14357 2021-12-04T16:51:04Z https://hdl.handle.net/10438/17668 Risco e retorno nas concessões de ferrovias no Brasil Gonçalves, Edson Daniel Lopes; Daychoum, Mariam Tchepurnaya 2015-01-01T00:00:00Z https://hdl.handle.net/10438/14376 Regulatory reform in the brazilian railway sector: a preliminary assesment Sampaio, Patrícia Regina Pinheiro; Dutra, Joísa Campanher; Gonçalves, Edson Daniel Lopes; Daychoum, Mariam Tchepurnaya; Palermo, Bruno Beier 2015-01-01T00:00:00Z