Review of raman spectral characteristics of graphene derived from 10 types of biomass Rita Lestari ; Yana Fitri Anggreni ; Seftri Harika ; Yurike Fatmawati ; Delovita Ginting ; Romi Fadli Syahputra Komunikasi Fisika Indonesia 8 Sep 2026 10.31258/jkfi.23.1.47-52
