Sabev, Sabi, Konstantin Chukalov, Valeri Bakardzhiev, and Agop Izmirliyan. 2024. “OPTIMIZING 3D PRINTING PARAMETERS TO IMPROVE HARDNESS AND SURFACE ROUGHNESS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 257-61. https://doi.org/10.17770/etr2024vol3.8145.