Study on educational leadership in the directors of the Julio María Matovelle Educational Unit of Puerto Bolívar. Revista Ecos de la Academia, [S. l.], v. 8, n. 15, p. 9–19, 2022. DOI: 10.53358/ecosacademia.v8i15.677. Disponível em: //ojs.devsoftec.com/index.php/ecosacademia/article/view/677. Acesso em: 2 apr. 2026.