Ashfaq, A., M. Ullah, and M. Ullah. “MODIFICATION OF THE NDOSEQ CODE IN THE LIGHT OF ICRP-60 RECOMMENDATIONS”. The Nucleus, vol. 44, no. 1-2, July 2020, pp. 7-10, http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/1025.