WASET
    I. Bikit and  S. Forkapic and  J. Nikolov and  N. Todorovic and  D. Mrdja,  Radioactivity of the Agricultural Soil in Northern Province of Serbia, Vojvodina.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2011, vol. 52(4). 232 - 237
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/2483.