Abu Hasan Agus, Hasan Baharun, Alda Novita Rahmatillah, and Sri Astutik Andayani. 2025. “The Influence of principal’s Service Quality and teachers’ Self-Concept on Emotional Regulation in Preschool Teachers”. Child Education Journal 7 (1):26-35. https://doi.org/10.33086/cej.v7i1.7029.