TY JOUR TI COMPREHENSIVE ASSESSMENT OF 3D-BUILD PRINTER COMPETITIVENESS KW 3D-build printer KW competitiveness KW machine design KW economic parameters JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Slavcheva, G.S. AU Akulova, I.I. AU Yurov, P.Y. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov