Principal Leadership Style Towards Teacher Performance In Private Junior High Schools In Deli Serdang District. Proceeding of International Conference on Economics, Technology, Management, Accounting, Education, and Social Science (ICETEA), [S. l.], v. 1, p. 991–1001, 2025. Disponível em: https://conference.unita.ac.id/index.php/icetea/article/view/440. Acesso em: 30 sep. 2025.