1. Car ownership in Indonesia
2. Distribution of gas station
3. Tourism place that cause traffic jam in Indonesia
4. Railway and airports (tracks and position)
5. Difference of weather data value Ind vs Jpn
6. Indonesia sales point
7. Government plan for Indonesia (i have a file about it, but someone need to make summary about it)
8. Gasoline price in Indonesia
9. Gasoline price in ASEAN countries and Japan
10. IHI product that can be related to road system