Akimitsu Hirota. Design of Prototypes in problem Exploration for Innovation. XXXIV ISPIM Innovation Conference, held in Ljubljana, Slovenia. 2023. 1-12
廣田章光. Inmapct of "Reflective Conversation" to Design Driven Innovation. The XXXIII ISPIM Innovation Conference "Innovating in a Digital World", held in Copenhagen, Denmark on 05 June to 08 June 2022. 2022. 1-11