Zum vollständigen Beitrag:
"Trends in International Mathematics and Science Study (TIMSS) 2019"
https://www.bildungsserver.de/onlineressource.html?onlineressourcen_id=62133&utm_campaign=rss&utm_source=dbs-allg&utm_medium=rss&utm_term=dbs-allg
"Trends in International Mathematics and Science Study (TIMSS) 2019"
https://www.bildungsserver.de/onlineressource.html?onlineressourcen_id=62133&utm_campaign=rss&utm_source=dbs-allg&utm_medium=rss&utm_term=dbs-allg
