Ufuk Erdoğan; Burhanettin Dönmez. “Adaptation of Collective Teacher Efficacy Scale into Turkish: Validity and Reliability Study”. Educational Administration: Theory and Practice 21, no. 3 (May 14, 2021): 345–366. Accessed October 7, 2025. https://kuey.net/index.php/kuey/article/view/154.