Title:Un estudio de caso sobre errores y dificultades observadas en la elaboración de algunas gráficas estadísticas / A case study about errors and difficulties encountered in the development of some graphical statistics
Title:A nanotecnologia na concepção de estudantes do ensino médio: o desenho como elemento de análise / THE NANOTECHNOLOGY IN CONCEPTIONS OF HIGH SCHOOL STUDENTS: DRAWING AS ANALYSIS ELEMENT