3D printed solder masks for printed circuit boards. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 4, p. 433–441, 2021. DOI: 10.21533/pen.v9.i4.955. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/955. Acesso em: 24 jun. 2026.