Cafe, A.I., Lopez, J.M., Lopez, L.P., Salvador, A.A. and Somintac, A.S. 2015. Effective refractive index determination of porous silicon based Distributed Bragg reflector for liquid sensor application. Proceedings of the Samahang Pisika ng Pilipinas, 33(1), SPP-2015-PB-24. URL: https://proceedings.spp-online.org/article/view/1230.