Thắng. “RESEARCHING THE ABILITY TO SHEILD ELECTROMAGNETIC WAVES IN X-BAND (8÷12 GHz) OF COATING FILM BASED ON RGO (REDUCED GRAPHENE OXIDE)”. Journal of Military Science and Technology, no. 67, June 2020, pp. 97-105, https://online.jmst.info/index.php/jmst/article/view/198.