Nachaithong, Theeranuch, Pornsawan Sikam, Pairot Moontragoon, Prasit Thongbai, Thanayut Kaewmaraya, and Zoran Ikonic. 2021. “The Study of Optical and Colossal Dielectric Properties of (Cu, Ga)-Doped ZnO Nanoparticles”. Engineering and Applied Science Research 48 (6):759-65. https://ph01.tci-thaijo.org/index.php/easr/article/view/244867.