Raynard Putera Widjaja
@raynard_13
Indonesia, Surabaya
Joined Dec 2019
World Rank: #27341 (1 points)
Institution: Puede Education
Activity over the last year
Effectiveness
- Problems solved
- 32
- Solutions submitted
- 135
Indonesia, Surabaya
Joined Dec 2019
World Rank: #27341 (1 points)
Institution: Puede Education