@article{01910993,
title = {Evaluation of objective test using a pair of orthographic projections for descriptive geometry education.},
journal = {Journal for Geometry and Graphics},
volume = {3},
year = {1999},
pages = {99-109},
zbl = {1015.51502},
language = {en},
url = {http://dml.mathdoc.fr/item/01910993}
}
Takeyama, Kazuhiko; Maeguchi, Ryoji; Chibana, Kokichi; Yoshida, Katsuyuki. Evaluation of objective test using a pair of orthographic projections for descriptive geometry education.. Journal for Geometry and Graphics, Tome 3 (1999) pp. 99-109. http://gdmltest.u-ga.fr/item/01910993/