Violina R. Angelova and  Mariana N. Perifanova-Nemska and  Galina P. Uzunova and  Elitsa N. Kolentsova,  Accumulation of Heavy Metals in Safflower (Carthamus tinctorius L.).   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 115(7). 410 - 415
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10004899.