Trobst, SteffenSteffenTrobstKleickmann, ThiloThiloKleickmannDepaepe, FienFienDepaepeHeinze, AisoAisoHeinzeKunter, MareikeMareikeKunter2021-10-272021-10-2720190340-4099https://imec-publications.be/handle/20.500.12860/34139Effects of instruction on pedagogical content knowledge about fractions in sixth-grade mathematics on content knowledge and pedagogical knowledgeJournal article: