Akhlaghi, Hashem. “Chemical Composition of the Essential Oil, Total Phenolic Contents and Antioxidant Activity of Vitex Pseudo-Negundo Seeds Collected from Northeastern Iran”. Trends in Phytochemical Research, vol. 1, no. 1, Mar. 2017, pp. 27-32, http://oiccpress.com/tpr/article/view/11681.