Lazo, J.R.A., Gepilano, K.R., Laguerta, M.T. and Sarmago, R.V. 2009. Magnetic and electrical characterization of multiferroic BiFeO3. Proceedings of the Samahang Pisika ng Pilipinas, 27(1), SPP-2009-PA-41. URL: https://proceedings.spp-online.org/article/view/SPP-2009-PA-41.