O. M. Bello, N. M. Nor, and W. M. S. Wan Hassan, “Characterization of the Urethane Based Tissue Equivalent Substitute for Phantom Construction: Model Molding, XCOM and MCNPX Studies”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 12, no. 1, pp. 298–305, Jan. 2022.