Alvinanda Purnomo
@alvin
Indonesia, Surabaya
Joined Jan 2011
World Rank: #20457 (1.5 points)
Institution: -
Activity over the last year
Effectiveness
- Problems solved
- 20
- Solutions submitted
- 205
Indonesia, Surabaya
Joined Jan 2011
World Rank: #20457 (1.5 points)
Institution: -