Vardanyan, V. and Sardaryan, A. 2015. IMPACT OF NATURAL AND ANTHROPOGENIC RADIOACTIVE SOURCES ON POLLUTION OF THE ENVIRONMENT. Proceedings of the YSU C: Geological and Geographical Sciences. 49, 1 (236) (Apr. 2015), 31–35. DOI:https://doi.org/10.46991/PYSU:C/2015.49.1.031.