SIKOROVA, Zuzana. The role of textbooks in lower secondary schools in the Czech Republic. IARTEM e-journal, Kongsberg, Norway, v. 4, n. 2, p. 1–22, 2012. DOI: 10.21344/iartem.v4i2.774. Disponível em: https://iartemejournal.org/index.php/IARTEM/article/view/774.. Acesso em: 14 may. 2025.