School Head Leadership: Basis of Elementary Schools’ Performance in Castilla Districts, Division of Sorsogon. JÉ«»¨ÌÃÂÛ̳ Institutional É«»¨ÌÃÂÛ̳, [S. l.], v. 24, n. 1, p. 1–56, 2025. DOI: . Disponível em: /index.php/irj/article/view/947. Acesso em: 3 aug. 2025.