Habibzadeh, Farhad, Asghari, Behvar. “Study the effect of intercropping and chemical fertilizers on essential oil, phenolic and flavonoid contents and some biological properties of hyssop (Hyssopus officinalis L.).” Eco-phytochemical Journal of Medicinal Plants, vol. 6, no. 3, 2018, pp. 96-109. 10.30495/ejmp.2018.694519