2 1 10 libro del docente / Andrea I. Fernandez Boiso , [et. al.] Fernandez Boiso, Andrea I. Additional Author Gil, Maria Victoria Additional Author Toledo, Claudia A. Additional Author Gandolfi, Griselda Additional Author Mazzalomo, Lidia Additional Author Perez de Lois, Graciela Additional Author mixed material 9504612954 Buenos Aires Santillana 2002. desde las primeras sociedades hasta el siglo XV / , dirigido por Herminia Merega, y Graciela Perez de Lois Perez de Lois, Graciela Additional Author Merega, Herminia Additional Author mixed material 9789504622192 Buenos Aires Santillana 2011