Conceptual demand of practical work: a multidisciplinary approach for analysing the pedagogic discourse in the science classroom. Práxis Educativa, [S. l.], v. 12, n. 1, p. 25–47, 2017. DOI: 10.5212/PraxEduc.v.12i1.0002. Disponível em: https://revistas.uepg.br/index.php/praxiseducativa/article/view/9045. Acesso em: 31 may. 2026.