[1]
H. S. KABOLI FARSHCHI, M. AZIZI ARANI, and S. H. NEMATI, “Phytochemical and Morphological Attributes of St. John’s Wort (Hypericum perforatum) Affected by Organic and Inorganic Fertilizers; Humic Acid and Potassium Sulphate”, Not Sci Biol, vol. 6, no. 3, pp. 326–330, Sep. 2014.