Analysis of Open Textbooks for discipline of Sociology offered for high school. HOLOS, [S. l.], v. 3, p. 337–347, 2018. DOI: 10.15628/holos.2018.5398. Disponível em: https://periodicos-treinamento.ifrn.edu.br/index.php/HOLOS/article/view/5398. Acesso em: 26 out. 2026.