Querebillo, C.J., Enriquez, E., Somintac, A. and Salvador, A. 2012. Raman spectroscopy of exfoliated graphene sheets and chemically-modified graphene samples. Proceedings of the Samahang Pisika ng Pilipinas, 30(1), SPP2012-4A-2. URL: https://proceedings.spp-online.org/article/view/SPP2012-4A-2.