Category:Klaas Sijtsma

**Klaas Sijtsma**
	researcher
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Date of birth	28 October 1955
Educated at	University of Groningen;
Doctoral advisor	Wouter Molenaar; Piet Drenth;
Doctoral student	Anton C. Verweij; Karen van Dam; Jesper Tijmstra (–2013);
Occupation	psychologist;
Authority file
	Q100755448; VIAF ID: 16430037; GND ID: 173544428; Library of Congress authority ID: n92119214; IdRef ID: 113779674; NUKAT ID: n2012262584; National Library of Israel J9U ID: 987007373090205171; ORCID iD: 0000-0002-4739-0574; Mathematics Genealogy Project ID: 75656
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