ASSESSMENT OF THE OPTICAL DENSITY OF THE BACKGROUND WHEN PRINTING TEXT ON A COLOR BACKGROUND. Modern American Journal of Engineering, Technology, and Innovation, [S. l.], v. 1, n. 6, p. 30–38, 2025. Disponível em: https://usajournals.org/index.php/2/article/view/949. Acesso em: 9 jul. 2026.