Mtsariashvili, L., N. Kekelidze, G. Goderdzishvili, T. Jakhutashvili, E. Tulashvili, and I. Ambokadze. “Radioactivity in Soil Samples from the Settlements of Tbilisi City (the Capital of Georgia)”. The Journal of Nature Studies - Annals of Agrarian Science, vol. 18, no. 3, Feb. 2021, https://journals.org.ge/index.php/aans/article/view/231.