JUWAIRIAH, J. Paper Opacity as a Key Parameter in the Design of Eco-Friendly Printed Packaging. Proceeding International Conference on Religion, Science and Education, [S. l.], v. 5, p. 171–178, 2026. Disponível em: http://sunankalijaga.org/prosiding/index.php/icrse/article/view/1630. Acesso em: 17 jul. 2026.