Topic-ranking details for Jaka Kelana
| Question | Credits |
|---|---|
| Total | 7,710.89 |
| How many OECD countries will have drone delivery services by 2020? | 7,710.89 |
| Question | Credits |
|---|---|
| Total | 7,710.89 |
| How many OECD countries will have drone delivery services by 2020? | 7,710.89 |