Elsherif, Walaa M., and Sayed H. Elhabtey. 2020. “Inhibitory Effect of Some Nanomaterials on Streptococcus Species Producing Biofilm Isolated from Some Dairy Farms”. Journal of Advanced Veterinary Research 10 (4):241-49. https://advetresearch.com/index.php/AVR/article/view/587.