a person in the record
Herman van de Werfhorst
Doctoral advisors Gerbert Kraaykamp, Nan Dirk de Graaf, and Wout Ultee on Wikidata.
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