Maag Merki, K., U. Grob, B. Rechsteiner, A. Rickenbacher, and A. Wullschleger. “Preconditions of teachers’ Collaborative Practice: New Insights Based on Time-Sampling Data”. Frontline Learning Research, vol. 10, no. 1, Apr. 2022, pp. 1-24, doi:10.14786/flr.v10i1.911.