WASET
    F. Zaefarian and  M. Rezvani and  F. Rejali and  M.R. Ardakani,  Investigation of Phytoextraction Coefficient Different Combination of Heavy Metals in Barley and Alfalfa.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 69(9). 690 - 692
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/3290.