Riichi Endo, Nagisa Nakaue. The Connotations of Kankō in Japanese Contemporary Popular Culture: Focusing on Polysemic Meanings of Kankō in Haruomi Hosono's 1980s Activities. Wakayama Tourism Review. 2024. 5. 18-20
Riichi Endo, Chujun Wang, Tao Sun. Tourist's Experiences and Behaviors Related to Norms: Finding from a Survey Using the Mafengwo Travelogue. Wakayama Tourism Review. 2023. 4. 7-9