Oxciano, J., Malapit, V., Ampoloquio, R., Mabilangan, A., Saplagio, N., Dizon, R., Salvador, A. and Somintac, A. 2011. Fabrication of low reflectance porous silicon with gradient. Proceedings of the Samahang Pisika ng Pilipinas, 29(1), SPP2011-PB-26. URL: https://proceedings.spp-online.org/article/view/SPP2011-PB-26.