Santos, G.N.C., Salvador, A.A. and Quiroga, R.V. 2007. Fabrication of an ethanol sensor device based on SnO2 nanobelts. Proceedings of the Samahang Pisika ng Pilipinas, 25(1), SPP-2007-PS-08. URL: https://proceedings.spp-online.org/article/view/SPP-2007-PS-08.