Quintino, DerickCAMPOLI, J. S.BURNQUIST, HELOISAFerreira, Paulo2021-11-122021-11-122020-04-20http://hdl.handle.net/10400.26/38002engEfficiency of the Brazilian Bitcoin: A DFA Approachjournal article2021-11-12cv-prod-218573010.3390/ijfs8020025