SMYCZYŃSKA, Katarzyna. A door to the unknown: crossing boundaries through picturebook art. Problemy Wczesnej Edukacji, [S. l.], v. 34, n. 3, p. 69–83, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/pwe/article/view/794. Acesso em: 5 maj. 2024.