Younghwa Lee, and Sanglim Kim. “The Effects of Principals’ Emotional Leadership and Teachers’ Empowerment on Organizational Effectiveness: Focused on Institutions in Korean Early Childhood Education”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 13, July 2021, pp. 6136-40, doi:10.17762/turcomat.v12i13.9892.