Son, V., N. D. Chien, T. T. Toan, D. T. Anh, M. A. Tuan, L. T. T. Thuy, and P. T. K. Thanh. “Development of Spray Pyrolysis System for Deposition of Nano-Structure Materials”. Communications in Physics, vol. 25, no. 2, Sept. 2015, p. 133, doi:10.15625/0868-3166/25/2/5828.