BURKŠAITIENĖ, Nijolė. Portfolio Method for Learning ESP in the Context of Paradigm Change. Acta Paedagogica Vilnensia, [S. l.], v. 17, p. 168–178, 2006. DOI: 10.15388/ActPaed.2006.17.9696. Disponível em: https://www.zurnalai.vu.lt/acta-paedagogica-vilnensia/article/view/9696. Acesso em: 11 nov. 2025.