First name Last name
@nguyenvu9405
Viet Nam, Ha Noi
Joined Jan 2010
World Rank: #17038 (1.9 points)
Institution: The village school
Activity over the last year
Effectiveness
- Problems solved
- 29
- Solutions submitted
- 157
Viet Nam, Ha Noi
Joined Jan 2010
World Rank: #17038 (1.9 points)
Institution: The village school
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