| Context-Aware Model in a Ubiquitous Learning Environment Recent countries visiting this post |  |
 | 4 | Russian Federation |
 | 3 | United States |
 | 1 | Portugal |
| Context-Aware Model in a Ubiquitous Learning Environment Recent countries visiting this post | |
| 4 | Russian Federation |
| 3 | United States |
| 1 | Portugal |