Ahmad, A.-K., Vergara, C.J., Ballesteros, L.I., Tuico, A., Husay, H.A., Ferrolino, J.P., Estacio, E., Salvador, A. and Somintac, A. 2015. Piezoelectric nanogenerator based on zinc oxide nanowires and surface-textured p-silicon. Proceedings of the Samahang Pisika ng Pilipinas, 33(1), SPP-2015-1B-05. URL: https://proceedings.spp-online.org/article/view/1094.