Viruntachar Kruefu และ Sukon Phanichphant. (2011) Synthesis of niobium-doped zinc oxide nanoparticles by flame spray pyrolysis and their application /. Chiang Mai University,:ม.ป.ท.Viruntachar Kruefu และ Sukon Phanichphant. 2011. Synthesis of niobium-doped zinc oxide nanoparticles by flame spray pyrolysis and their application /. ม.ป.ท.:Chiang Mai University,;Viruntachar Kruefu และ Sukon Phanichphant. Synthesis of niobium-doped zinc oxide nanoparticles by flame spray pyrolysis and their application /. ม.ป.ท.:Chiang Mai University, 2011. Print.