Walther-Hansen, Wilma. “How Rounders Revealed Group Dynamics in a Fifth-Grade Class: How Rounders Revealed Group Dynamics in a Fifth-Grade Class”. CEPRA-striben, no. 33 (december 4, 2023): 6–17. Set juli 3, 2024. https://journals.ucn.dk/index.php/cepra/article/view/540.