Investigetion of the cultivation influence on the levels of natural radionucleides in soil from the surrounding of the city of Skopje. - Aleksandra Angjeleska; Elizabeta Dimitrieska-Stojkovikj; Hajrulai Musliu, Zehra; Biljana Stojanovska-Dimzoska; Uzunov, Risto; Dean Jankuloski; Radmila Crceva Nikolovska (Society of physicists of Macedonia DFRM, 2017)