Akhtar, N., M. Tufail, M. A. Choudhry, S. D. Orfi, and M. Waqas. “RADIATION DOSE FROM NATURAL AND MANMADE RADIONUCLIDES IN THE SOIL OF NIAB, FAISALABAD, PAKISTAN”. The Nucleus, vol. 41, no. 1-4, July 2020, pp. 27-34, http://thenucleuspak.org.pk/index.php/Nucleus/article/view/1074.