Lestari , W. D. ., Edahwati, L. ., Adyono, N. ., Sari, T. P. ., Saputro, W. ., Faizin, A. K. . and Issafira, R. D. (2021) “Wear Scar Characterization of Polycarbonate Urethane (PCU) By Raman Spectroscopy”, Nusantara Science and Technology Proceedings. Malang, Indonesia, pp. 335-339. doi: 10.11594/nstp.2021.1451.