A. PIRZAD, V. GHASEMIAN, R. DARVISHZADEH, M. SEDGHI, A. HASSANI, and A. ONOFRI, “Allelopathy of Sage and White Wormwood on Purslane Germination and Seedling Growth”, Not Sci Biol, vol. 2, no. 3, pp. 91–95, Sep. 2010.