Tsuji, Keita, Ogawa, Mayu. Study-aid Books and Workbooks in Japanese Public Libraries: Questionnaire and Holdings Survey. IIAI Letters on Informatics and Interdisciplinary Research. 2023. 4. 1-12
Tsuji, Keita. Study-Aid Books, Workbooks, and IT Equipment as New Materials for School Students in Japanese Public Libraries. Jurnal Ilmu Informasi, Perpustakaan, dan Kearsipan. 2022. 24. 2. 114-125
Tsuji, Keita. Causal Effect of the Outsourcing of Library Management on Public Library Usage in Japan. LIBRES-LIBRARY AND INFORMATION SCIENCE RESEARCH ELECTRONIC JOURNAL. 2021. 31. 1. 66-77
Tsuji,Keita. Book Recommendation to Wikipedia Article Readers in a University Library. International Journal of Service and Knowledge Management. 2020. 4. 1. 41-60
Tsuji, Keita, Mizunuma, Yuhiro. Books on the Red List in Japanese Public Libraries. Proceedings of the International Conference on Library and Information Science. 2020
Proceedings of the Asia-Pacific Conference on Library & Information Education & Practice 2006 - PREPARING INFORMATION PROFESSIONALS FOR LEADERSHIP IN THE NEW AGE
NANYANG TECHNOLOGICAL UNIV 2006
Survey on Public Libraries Managed by Outsourcing, with a Focus on Library Usage, Opening Days, and Directors' Qualifications
(7th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI) 2018)