Bellens, KimKimBellensVan Damme, JJVan DammeVan den Noortgate, WimWimVan den Noortgate2021-10-272021-10-272019https://imec-publications.be/handle/20.500.12860/32515Quality and equity of educational systems worldwide: trends over time and determining factorsPHD thesishttps://limo.libis.be/primo-explore/fulldisplay?docid=LIRIAS2808424&context=L&vid=Lirias&search_scope=Lirias&tab=default_tab&lang=en_US