| Date | Description | Language |
|---|---|---|
| Feb. 21, 2015 | tentti | Finnish |
| Sept. 11, 2014 | prujut kirjasta Infrahankkeen tuotannonhallinta | Finnish |
| March 7, 2013 | tentti | Finnish |
| Oct. 26, 2011 | Finnish | |
| Jan. 14, 2011 | Tentti | Finnish |
| Dec. 17, 2010 | Tentti | Finnish |
| Oct. 29, 2008 | Tentti | Finnish |
| Oct. 29, 2008 | Tentti | Finnish |
| Oct. 29, 2008 | Tentti | Finnish |
| Oct. 24, 2008 | Tentti | Finnish |