Video:
- Economie met Tito. (2021, 20 december). Sociale zekerheid - economie vmbo [Video]. YouTube. https://www.youtube.com/watch?v=pzyq38PcOLY
- Bloemers, P., V. (2019, 3 september). Procenten - EconomieLokaal. Economielokaal. https://www.economielokaal.nl/procenten/
Plaatje:
- https://www.uu.nl/agenda/promotie-naomi-woltring-neoliberalisering-van-de-verzorgingsstaat
- https://www.google.com/search?sca_esv=7fdb6e941e7712e0&q=solidariteitsbeginsel&tbm=isch&source=lnms&sa=X&sqi=2&pjf=1&ved=2ahUKEwjht5zO09CEAxWzhP0HHVWBBzcQ0pQJegQIDBAB&biw=1422&bih=650&dpr=1.35#imgrc=txqHMQT9W_tuLM
https://b.socrative.com/teacher/#import-quiz/75754517