Angjeleska, A., Dimitrieska-Stojkovic, E., Hajrulai-Musliu, Z., Črčeva-Nikolovska, R. and Boškovski, B. (2020) “Natural Radioactivity Levels and Estimation of Radiation Exposure in Agricultural Soils from Skopje City Region”, Macedonian Journal of Chemistry and Chemical Engineering, 39(1), pp. 77–87. doi: 10.20450/mjcce.2020.1904.