@denny_gozali
Indonesia
Joined May 2010
World Rank: #31960 (0.8 points)
Institution: SMA Petra 5
Activity over the last year
Effectiveness
- Problems solved
- 19
- Solutions submitted
- 94
Indonesia
Joined May 2010
World Rank: #31960 (0.8 points)
Institution: SMA Petra 5