Analysing STSE-based instructional materials designed by high school chemistry teachers - Marcondes, Maria Eunice Ribeiro; Paulino, Ana Carolina de Almeida; Souza, Fábio Luiz de; Santos Junior, João Batista dos; Akahoshi, Luciane Hiromi; Vaciloto, Naãma Cristina Negri; Pereira, Terezinha Iolanda Ayres (Indagatio Didactica, 2020)