WASET
    E. Moroydor Derun and  Z. Eslek and  S. Piskin,  Extraction and Analysis of Hypericum perforatum L. from Turkey.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2013, vol. 79(7). 495 - 499
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/16263.