INVESTIGATING THE CONTRAST OF SURFACE MARKING ON DIFFERENT COLOR CONNECTORS FOR TELECOMMUNICATIONS NEEDS. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 344–350, 2024. DOI: 10.17770/etr2023vol3.7263. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4637.. Acesso em: 11 mar. 2026.