Elucidating the Effects of Diagram Use Training for Math Word Problem Solving. - Hiroaki Ayabe; Emmanuel Manalo; Noriko Hanaki (Diagrams, 2020)

What Diagrams Are Considered Useful for Solving Mathematical Word Problems in Japan? - Hiroaki Ayabe; Emmanuel Manalo; Mari Fukuda; Norihiro Sadato (Diagrams, 2021)

The Presence of Diagrams and Problems Requiring Diagram Construction: Comparing Mathematical Word Problems in Japanese and Canadian Textbooks. - Mari Fukuda; Emmanuel Manalo; Hiroaki Ayabe (Diagrams, 2021)