Empizo, M.J., Permejo, M.F., Singidas, B. and Sarmago, R. 2011. Surface morphological and electrical characterization of ZnO prepared by direct thermal oxidation. Proceedings of the Samahang Pisika ng Pilipinas, 29(1), SPP2011-PA-25. URL: https://proceedings.spp-online.org/article/view/SPP2011-PA-25.