Saed, H. A. E. M. R., and H. M. M. Ibrahim. “Antimicrobial Profile of Multidrug-Resistant Streptococcus Spp. Isolated from Dairy Cows With Clinical Mastitis”. Journal of Advanced Veterinary and Animal Research, vol. 7, no. 2, June 2020, pp. 186-97, https://banglajol.info/index.php/JAVAR/article/view/47504.