Lindmeier, A., Seemann, S., Kuratli-Geeler, S., Wullschleger, A., Dunekacke, S., Leuchter, M., Heinze, A. (2020). Modelling early childhood teachers’ mathematics-specific professional competence and its differential growth through professional development – an aspect of structural validity. Research in Mathematics Education, 1-20. https://doi.org/10.1080/14794802.2019.1710558