Tontchev, N., Teirumnieks, N., Yankov, E., & Gaydarov, V. (2024). MULTI-CRITERIA RESEARCH OF GEOMETRIC, MECHANICAL, ENERGETIC ANDTEMPORAL INDICATORS DEPENDING ON LASER HARDENING PARAMETERS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, 3, 449-455. https://doi.org/10.17770/etr2024vol3.8183