Akira Koizumi
- Fuzzy Linear Programming Model For Municipal Waste Collection And Transportation Planning. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1992, n. 443 (février 1992). (1992):
- Planning Of Sewerage Systems By Fuzzy Dynamic Programming Model. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1997, n. 573 (août 1997). (1997):