Tan, T. A., D. T. Phuong, N. T. T. Oanh, D. X. Mai, H. V. Chung, L. H. Chi, D. T. Chien, and P. D. Long. “Investigation of Sodium Manganese Oxide Nanowires Synthesized by Hydrothermal Method for Alkaline Ion Battery”. Communications in Physics, vol. 24, no. 3, Oct. 2014, p. 233, doi:10.15625/0868-3166/24/3/4158.