hu .
@leductoan
Viet Nam, Biên Hòa
Joined Oct 2018
World Rank: #11604 (3 points)
Institution: Đồng Nai
road to nhất quốc gia
Activity over the last year
Effectiveness
- Problems solved
- 21
- Solutions submitted
- 76
Viet Nam, Biên Hòa
Joined Oct 2018
World Rank: #11604 (3 points)
Institution: Đồng Nai
road to nhất quốc gia