Ivan Hendrajaya
@ivan_he
Indonesia
Joined Apr 2010
World Rank: #154 (106.3 points)
Institution: Institut Teknologi Sepuluh Nopember
Activity over the last year
Effectiveness
- Problems solved
- 608
- Solutions submitted
- 1005
Indonesia
Joined Apr 2010
World Rank: #154 (106.3 points)
Institution: Institut Teknologi Sepuluh Nopember