Argumentation and power relations in the mediation of socioscientific issues in chemistry teacher education. SciELO Preprints, 2026. DOI: 10.1590/SciELOPreprints.18773. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/18773. Acesso em: 7 nov. 2026.