จําปี ช. . and วงศ์แสวง ด. . (2016) “New Fast Neutron Shielding Material Composing of Alternating Layers of Natural Rubber, SBR and Boron Oxide (B2O3) and Layers of Natural Rubber and Iron(III) Oxide (Fe2O3)”, KKU Science Journal, 44(2), pp. 369–383. available at: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249522 (accessed: 6 December 2025).