1. Public Announcement on Introduction of Equipment for Feed-in Tariff System;Agency for natural Resources and Energy,2022
2. FY2022 annual report on energy (Japan’s energy white paper 2023);Agency for Natural Resources and Energy, JAPAN,2023
3. Minimizing power usage in water distribution system using mixed integer linear programming;Arai;J. Japan Soc. Civil Eng. Ser. G (Japan),2012
4. K-means++: The advantages of careful seeding;Arthur,2007
5. Annual Report on Water Supply Business(FY2021);Chiba prefecture waterworks bureau,2022