Vu Ngoc, T. “STUDY ON PRODUCING GAMMA RADIATION SHIELDING COMPOSITE ON E-128 RESIN. PART II: THE EFFECT OF UNIT COMPONENT ON SHIELDING PROPERTIES”. Journal of Military Science and Technology, no. 74, Aug. 2021, pp. 86-90, https://online.jmst.info/index.php/jmst/article/view/12.