Lazo, J.R.A., Cruz, C.V., Singidas, B.G. and Sarmago, R.V. 2008. Synthesis of ZnO nanowalls by an aqueous solution process. Proceedings of the Samahang Pisika ng Pilipinas, 26(1), SPP-2008-PA-51. URL: https://proceedings.spp-online.org/article/view/SPP-2008-PA-51.