Israilov M. “REGARDING NATURAL AND ARTIFICIAL RADIOACTIVE BACKGROUND”. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact factor: 8.036 12, no. 11 (November 28, 2023): 186–189. Accessed July 22, 2024. https://gejournal.net/index.php/IJSSIR/article/view/2131.