“The Effect of Aqueous Extract and Essential Oils of the Leaves of Eucalyptus Incrassate on β- Lactam Resistant Staphylococcus Aureus”. Ibn AL-Haitham Journal For Pure and Applied Sciences, vol. 27, no. 1, Apr. 2017, pp. 76-82, https://jih.uobaghdad.edu.iq/index.php/j/article/view/363.