Modern precision method for radionuclides monitoring of bulk samples Abdallah Ali, M. Fayez-Hassan, Fawzia Mubarak, N. A. Mansour and Talaat Salah Ahmed Eur. Phys. J. Plus, 134 9 (2019) 469 Published online: 26 September 2019 DOI: 10.1140/epjp/i2019-12913-6