Gunjanaporn Tochaikul, Nutthapong Moonkum, Soontaree Sriwongta, Monchuporn Neamchumnan, Aksarapak Thawornnittayakul and Nuttapong Danthanavat 2021. Determination of appropriate proportional in-house flexible radiation shielding material using bismuth powder and natural-silicon rubber compounds. Journal of Current Science and Technology. 11, 2 (May 2021), 277–286.