Thi Kieu Duyen, N., H. Le Thanh Nguyen, N. Thi Thu Trang, L. My Loan Phung, and T. Van Man. “Investigation of Structure and Electrochemical Properties of Layered Structure NaFexMn1-XO2”. Science & Technology Development Journal: Natural Sciences, Vol. 3, no. 4, Apr. 2020, pp. 317-25, doi:https://doi.org/10.32508/stdjns.v3i4.573.