Sarmah, Hiramoni, et al. “Isolation and Characterization of Clostridium Perfringens from Suspected Cases of Necrotic Enteritis (NE) in Broiler Chicken”. International Journal of Livestock Research, vol. 9, no. 8, Aug. 2019, pp. 221-32, http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1161.