Sergio Vieri
@p2201601
Indonesia, Surabaya
Joined Feb 2016
World Rank: #828 (31.8 points)
Institution: IPH Schools
Activity over the last year
Effectiveness
- Problems solved
- 38
- Solutions submitted
- 76
Indonesia, Surabaya
Joined Feb 2016
World Rank: #828 (31.8 points)
Institution: IPH Schools