AGIĆ, Ana; MANDIĆ, Lidija; GABRIJELČIČ TOMC, Helena. An innovative Braille alphabet teaching tool for visually impaired individuals based on advanced tactile embossed 3D graphics. Acta Graphica, [S.l.], v. 29, n. 1, p. 7 - 14, dec. 2018. ISSN 1848-3828. Available at: <http://actagraphica.hr/index.php/actagraphica/article/view/144>. Date accessed: 16 jan. 2019. doi: http://dx.doi.org/10.25027/acta graphica.v29i1.144.