You can find UvA dissertations and other publications in the UvA-DARE database.
You can watch this PhD defence ceremony here.
Mw. D.J. Keydeniers will defend the dissertation 'Two languages in daycare. An appraisal of bilingual early childhood education and care in the Netherlands'. Supervisor is Prof. F. Kuiken. The co-supervisors are Dr S.J. Andringa and Dr S.P. Aalberse.