Anggoro, P. W., A. A. Anthony, B. Bawono, J. Jamari, A. P. Bayuseno, M. Tauviqirrahman, and A. Nugroho. 2019. “CNC Milling of EVA Foam With Varying Hardness for Custom Orthotic Shoe Insoles and Process Parameter Optimization”. Journal of Mechanical Engineering and Sciences 13 (3):5347-70. https://doi.org/10.15282/jmes.13.3.2019.10.0436.