MAANASA BHASKAR M, and JHARNA MANDAL. “Use of a Modified Disc Diffusion Test to Detect Ampc Beta Lactamase Production in Escherichia Coli from Cases of Urinary Tract Infections”. International Journal of Pharma and Bio Sciences, vol. 7, no. 4, Dec. 2016, pp. 579-83, https://ijpbs.net/index.php/journal/article/view/5521.