TROSKOT, Sven et al. The Quality, Benefits and Differentiation of Aluminium Single Serve Portion Capsules for Drinks. Acta Graphica, [S.l.], v. 29, n. 4, p. 19-28, mar. 2020. ISSN 1848-3828. Available at: <http://actagraphica.hr/index.php/actagraphica/article/view/179>. Date accessed: 26 sep. 2020. doi: http://dx.doi.org/10.25027/agj2017.28.v29i4.179.