Research in Paris & Rome into New Braille Notations & Education System for the Blind toward 21th Century. Bulletin of Shoken Gakuen, Gunma Social welface Junior College. 2000. 3. 169-202
The Analytical Study of Braille Notation (]G0002[) 〜On the Process of Translating Braille Notation into Japanese〜. Bulletin of Shoken Gakuen, Gunma Social Welfare Junior College. 1999. 2. 107-126