Mitsugi, M., T. Hiromori, M. Yoshimura, and R. Kirimura. “The Influence of Emergent and Assigned Leaders on Interactive Group Work Tasks in the L2 Classroom: Focusing on the Group Work Dynamics, Motivation, and Linguistic Performance”. JOURNAL FOR THE PSYCHOLOGY OF LANGUAGE LEARNING, vol. 6, no. 1, Apr. 2024, pp. 1-21, https://www.jpll.org/index.php/journal/article/view/156.