sdibt sdibt
@sdibt1
China, ytan
Joined Dec 2010
World Rank: #29406 (0.9 points)
Institution: sdibt
Activity over the last year
Effectiveness
- Problems solved
- 11
- Solutions submitted
- 60
China, ytan
Joined Dec 2010
World Rank: #29406 (0.9 points)
Institution: sdibt