Programming in a mother tongue: philosophy, implementation, practice and effect. - Toshio Souya; Eiichi Hayakawa; Masayuki Honma; Hidehiro Fukushima; Mitaro Namiki; Nobumasa Takahashi; Masaki Nakagawa (COMPSAC, 1991)

Lazy recognition as a principle of pen interfaces. - Masaki Nakagawa; Kimiyoshi Machii; Naoki Kato; Toshio Souya (INTERCHI Adjunct Proceedings, 1993)

Principles of pen interface design for creative work. - Masaki Nakagawa; Naoki Kato; Kimiyoshi Machii; Toshio Souya (ICDAR, 1993)

A System for Eliciting and Helping to Score Test Answers Input Through a Handwriting Interface. - Toshio Souya (HCI (2), 1997)

Joint Class Experiments Based on Realtime Web-Browser Synchronization. - Toshio Souya; Makoto Kobayashi; Satoshi Kawase; Katsumi Ohshima (APCHI, 1998)

Contents-Independent EPSS for the Web site. - Yuko Ikehata; Toshio Souya; Yoshinori Hijikata (SAINT, 2002)