| Property | Value |
| Name: | Dia10 - Qui luat dia doi va qui luat phi dia doi |
| Filename: | Dia10 - Bai 21.ppt |
| Filesize: | Empty |
| Filetype: | ppt (Mime Type: application/vnd.ms-powerpoint) |
| Created On: | 12/27/2012 21:45 |
| Hits: | 10433 Hits |
| Last updated on: | 12/27/2012 21:47 |