K. . SRIWONGSA, S. . RAVANGVONG, K. . SANGTHON, B. . KORNPONGGUN, and P. . GLUMGLOMCHIT, “Coconut Dust Gypsums Board Building Material for Shielding Radiation and Buildup Factors”, Walailak J Sci & Tech, vol. 18, no. 8, p. Article 9350 (10 pages), Apr. 2021.