Willemsen, A., M. Gosen, T. Koole, and K. de Glopper. “Gesture, Gaze and Laughter: Teacher Conduct Facilitating Whole-Class Discussions Among Students”. Social Interaction. Video-Based Studies of Human Sociality, vol. 2, no. 2, Jan. 2020, doi:10.7146/si.v2i2.118045.