Jasim Mohammed, M., O. Mousa Ramadhan, and Q. Salim Jarjees. “Study the Effect of Cinnamaldehyde Separted From Cinnamomum Zeylanicum on Growth of Some Negative and Positive Gram Bacteria”. Journal of Education and Science (JES), vol. 17, no. 4, Sept. 2005, pp. 67-77, doi:10.33899/edusj.2005.82957.