CLUSTER METHOD OF IMPLEMENTING THE CONCEPT OF SUSTAINABLE EDUCATION IN TEACHING THE PERIODIC TABLE. Educator Insights: Journal of Teaching Theory and Practice, [S. l.], v. 2, n. 5, p. 46–52, 2026. Disponível em: https://brightmindpublishing.com/index.php/EI/article/view/2552. Acesso em: 15 may. 2026.