Koichi Sakai
- Estimation Of Non-ia Discrete Choice Models With Medium Choice Set. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 702 (avril 2002). (2002):
- Effect of gamma radiation on fungal growth stages and mechanical properties of traditional Japanese paper. Dans: Journal of Cultural Heritage, v. 46 (novembre 2020). (2020):