a person in the record
Evelien Ketelaar
Doctoral advisors on Wikidata: Douwe Beijaard, Henny Boshuizen, and Perry den Brok.
Advisors on Wikidata
Wikidata's own statements of who supervised whom, kept apart from the record's theses and never counted with them.
Wikidata run graph-wikidata-20261015T220004Z