Research on logo : a decade of progress
Clements, Douglas H
Research on logo : a decade of progress - Nueva York, EUA - 9-46 - 1997 Vol. 14, nos. 1-2 = COMPUTERS IN THE SCHOOLS
LOGO SOFTWARE EDUCATIVO GEOMETRIA MATEMATICA
Research on logo : a decade of progress - Nueva York, EUA - 9-46 - 1997 Vol. 14, nos. 1-2 = COMPUTERS IN THE SCHOOLS
LOGO SOFTWARE EDUCATIVO GEOMETRIA MATEMATICA