BURKE, J.; O’BRIEN, S. E. . Heliotropic leadership: An examination of the role that psychological capital plays in enhancing teachers’ morale. Journal of School and Educational Psychology, [S. l.], v. 1, n. 1, p. 17–25, 2021. Disponível em: https://www.journalofschoolpsychology.com/index.php/josep/article/view/7. Acesso em: 1 may. 2026.