Dang, P., N. Pham, H. Le, and T. Le. “Fabricating and Investigating the Influence of the Temperature on Electrical and Optical Properties of the P-Type SnO2:Ga (GTO) Thin Films Prepared by DC Magnetron Sputtering”. Science and Technology Development Journal, Vol. 19, no. 4, Dec. 2016, pp. 137-46, doi:https://doi.org/10.32508/stdj.v19i4.620.