Müller PM, Behr J, Yada T, Eells R, Leidig T, Hennemann T. Collective Teacher Efficacy in Context of Students’ Externalizing Behavior Problems: A Systematic Review. IJSE [Internet]. 2024 Dec. 15 [cited 2025 Dec. 6];39(2). Available from: https://mail.internationalsped.com/index.php/ijse/article/view/1794