@inproceedings{inproceedings8a9d2164,
title   = {Learning geometric concepts through a tutoring system},
author = {Mendes, Maria Dolores Ceccato and Nunes, Maria das Graças Volpe and Turine, Marcelo Augusto S},
year = {1995},
booktitle   = {Conferencia Interamericana de Educación Matemática}
}