Nessabian, shahriar, gholamhoseini, Tahereh, Jebel Ameli, Farkhodeh (2012) ‘Comparison of Iran's Medicinal Plants Exporting Comparative Advantage With other Exporting Countries (Case study: Fennel, Badian, Anise and Corian)’, Economic  Modeling, 6(20), pp. 75-92. doi: