Morales, A.A. and Ruiz, F.O. 2005. Supercurrent density in terms of the Kubo formula in single-hole-spin problem. Proceedings of the Samahang Pisika ng Pilipinas, 23(1), SPP-2005-PB-46. URL: https://proceedings.spp-online.org/article/view/SPP-2005-PB-46.