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About JECES
| Pamphlet of JECES |  （2.5MB） |
Johkasou Information
| Johkasou Saving our Rivers and Lakes | （4.6MB） |
| Johkasou: Its Structure and Treatment Performance | （4.0MB） |
| Proceedings of Johkasou Session, the 3rd World Water Forum | （1.5MB） |
