DoanPT1 Đoan
@doanpt1
Viet Nam, Ha Nội
Joined Mar 2016
World Rank: #31426 (0.8 points)
Institution: Tu Liem
Activity over the last year
Effectiveness
- Problems solved
- 28
- Solutions submitted
- 290
Viet Nam, Ha Nội
Joined Mar 2016
World Rank: #31426 (0.8 points)
Institution: Tu Liem