The Role of Transformational Leadership in Improving Teacher Performance in the Implementation of Character-Based Learning in Elementary Schools: Systematic Literature Review. Journal of the American Institute, [S. l.], v. 2, n. 6, p. 768–772, 2025. DOI: 10.71364/cwda2205. Disponível em: https://americanjournal.us/index.php/american/article/view/108. Acesso em: 24 sep. 2025.