INVESTIGATION OF THE OPTIMIZATION PROCESS OF LASER SURFACE MARKING ON POLYAMIDE SAMPLES. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 3, p. 413–418, 2024. DOI: 10.17770/etr2024vol3.8168. Disponível em: https://archive-journals.rtu.lv/etr/article/view/4869.. Acesso em: 11 mar. 2026.