ŠIAUČIUKĖNIENĖ, Liuda. Principles of Differentiation of Teaching. Acta Paedagogica Vilnensia, [S. l.], v. 3, p. 91–104, 1996. DOI: 10.15388/ActPaed.1996.03.9391. Disponível em: https://www.journals.vu.lt/acta-paedagogica-vilnensia/article/view/9391.. Acesso em: 6 may. 2024.