| Instant tactile-audio map: enabling access to digital maps for people with visual impairment Recent countries visiting this post |  |
 | 4 | United States |
 | 1 | Germany |
 | 1 |
| Instant tactile-audio map: enabling access to digital maps for people with visual impairment Recent countries visiting this post | |
| 4 | United States |
| 1 | Germany |
| 1 |