Klaas Sijtsma Search works
| Image |  |
|---|---|
| Description | researcher |
| Nationality | Kingdom of the Netherlands |
| Gender | male |
| Date of birth | October 28, 1955 |
| Occupation | psychologist |
| Place of birth | |
| Country of birth | |
| Date of death | |
| Age | 69 |
| Wikipedia link | |
| Commons link | https://commons.wikimedia.org/wiki/Category:Klaas_Sijtsma |
| Wikisource link | |
| Wikiquote link | |
| In public domain? | ✗ No | Author will enter worldwide public domain on January 1, |
| Missing/wrong data? | Edit Wikidata item |