YANTI, H. Revitalizing Teacher Leadership in Secondary Schools Through a Values and Culture Approach: Towards Schools with a Collaborative and Adaptive Culture. Journal of Educational Management Research , [S. l.], v. 5, n. 1, p. 64–73, 2026. DOI: 10.61987/jemr.v5i1.858. Disponível em: https://serambi.org/index.php/jemr/article/view/2025-12-09. Acesso em: 26 sep. 2026.