Masheel Salim, R., and S. Khowman Alwan. “Prevalence of OXA Beta -Lactamaes of Pseudomonas Aeruginosa in Al-Diwaniya City”. Al-Qadisiyah Journal of Pure Science, Vol. 22, no. 3, Mar. 2018, pp. 393 -05, https://journalsc.qu.edu.iq/index.php/JOPS/article/view/679.