Sahira N. Muslim and  Alaa N. Mohammed and  Saba Saadoon Khazaal and  Batool Kadham Salman and  Israa M. S. AL-Kadmy and  Sraa N. Muslim and  Ahmed S. Dwaish and  Sawsan Mohammed Kareem and  Sarah N. Aziz and  Ruaa A. Jasim,  Improvement of Antibacterial Activity for Ceftazidime by Partially Purified Tannase from Penicillium expansum.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2017, vol. 127(7). 541 - 545
    [viewed 30 November 2021]. Available from: https://publications.waset.org/pdf/10007789.