TY - JOUR T1 - Fabrication of Rigid Polyurethane Foam Lumbar Spine Model for Surgical Training using Indirect Additive Manufacturing AU - Kushendarsyah Saptaji, Asriyanti,Nisa Khoiriyah,Muhammad Satrio Utomo,Farid Triawan,Made Subekti Dwijaya,Muhammad Hanif Nadhif JO - International Journal of Technology VL - 13 IS - 8 SP - 291 EP - 319 PY - 2022 DA - 2022/12/30 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v13i8.6125 UR - https://ijtech.eng.ui.ac.id/article/view/6125