Ryo Ejiri
- Productivity Of Infrastructure And Spill Over Effects. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 716 (octobre 2002). (2002):
- Issues And Perspectives For Infrastructure Accounting Systems. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 770 (septembre 2004). (2004):
- Pavement Management Accounting System. Dans: Journal of Infrastructure Systems, v. 14, n. 2 (juin 2008). (2008):
- Road Pavement Management Accounting System Application. Dans: Journal of Applied Computing in Civil Engineering, v. 14 ( 2005). (2005):
- I-15道路舗装管理会計システムアプリケーション (Road Pavement Management Accounting System Application). Dans: Journal of Applied Computing in Civil Engineering, v. 13 ( 2004). (2004):