Jan, F., A. Wahid, E. U. Haq, S. S. Ahmad, M. Aslam, and M. Hussain. “MANAGEMENT OF DISUSED SEALED RADIOACTIVE SOURCES (DSRS) COLLECTED FROM PUNJAB, NWFP AND CAPITAL TERRITORY OF PAKISTAN”. The Nucleus, vol. 43, no. 1-4, July 2020, pp. 195-0, http://202.83.167.189/index.php/Nucleus/article/view/1040.