Measurement of visualization ability of architectural space. Abe, Hirokazu; Yoshida, Katsuyuki — 1999 Journal for Geometry and Graphics
Evaluation of objective test using a pair of orthographic projections for descriptive geometry education. Takeyama, Kazuhiko; Maeguchi, Ryoji; Chibana, Kokichi; Yoshida, Katsuyuki — 1999 Journal for Geometry and Graphics