Formulation of Clamshell Diagram and Its Application to Source Code Reading. - Takehiko Murakawa; Takayoshi Kawasaki; Hirofumi Mizuochi; Masaru Nakagawa (JCKBSE, 2008)

Transcription Support System using Subversion. - Takehiko Murakawa; Hitoshi Fukuoka; Daichi Noda; Masaru Nakagawa (WEBIST (2), 2010)

Graphical Expression of SQL Statements Using Clamshell Diagram. - Takehiko Murakawa; Masaru Nakagawa (IEICE Trans. Inf. Syst., 2010)

Comprehension Support of SQL Statement using Double-tree Structure. - Takehiko Murakawa; Masaru Nakagawa (CSEDU (1), 2011)

Full-text Retrieval System for Humanities Researches. - Takehiko Murakawa; Yukiharu Watagami; Keigo Utsunomiya; Masaru Nakagawa (JCKBSE, 2012)

LbTyping: A Web Application for Programming Learning by Typing. - Takehiko Murakawa (IISA, 2023)