VALATKIENĖ, Stasė. Individualization of Teaching in the U.S.A. Acta Paedagogica Vilnensia, [S. l.], v. 2, p. 91–108, 1993. DOI: 10.15388/ActPaed.1993.02.9369. Disponível em: https://test.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/9369. Acesso em: 25 oct. 2025.