Knowledge Base Schemes for Flexible Query-Answering Expert Systems. - Hiroshi Tsuji; Shunsuke Akifuji; Hirohide Endoh (FQAS, 1996)

Comparison Between Test Driven Development and Waterfall Development in a Small-Scale Project. - Lei Zhang; Shunsuke Akifuji; Katsumi Kawai; Tsuyoshi Morioka (XP, 2006)