Van Hieu, L., D. Vinh Ai, H. Van Binh, N. Huu Chi, and T. Tuan. “IMPROVING THE PROCCESS OF MANUFACTURING ZnO:AI THIN FILMS”. Science and Technology Development Journal, Vol. 8, no. 3, Mar. 2005, pp. 29-34, doi:https://doi.org/10.32508/stdj.v8i3.2979.