BERNOTAS, Vytautas. Independent Work of Pupils with the Textbook as Basis for Learning. Acta Paedagogica Vilnensia, [S. l.], v. 3, p. 163–169, 1996. DOI: 10.15388/ActPaed.1996.03.9397. Disponível em: https://www.journals.vu.lt/acta-paedagogica-vilnensia/article/view/9397.. Acesso em: 2 may. 2024.