a person in the record
Martien Oppeneer
Doctoral advisors on Wikidata: Barend Koren, Robert M. M. Mattheij, and Sjoerd Willem Rienstra.
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-20261008T220003Z