Sivasankari Marimuthu, Arul Jayanthi Antonisamy, Sankar Malayandi, and Karthikeyan Rajendran. “Antibiotics Resistance - a Stumbling Block to Antibiotics Research”. International Journal of Research in Pharmaceutical Sciences, vol. 10, no. 3, Aug. 2019, pp. 2006-11, https://ijrps.com/home/article/view/3962.