Salawu, Mufutau A., et al. “Radiation Shielding Properties of Synthetic Ca-Al2O3 Polymer Based Composites”. Journal of Sustainable Materials Processing and Management , vol. 3, no. 1, May 2023, pp. 9-18, https://publisher.uthm.edu.my/ojs/index.php/jsmpm/article/view/13309.