Chakravarthi, M. Kalyana, et al. “EVALUATION OF SUPPLEMENTING HERBAL PRODUCT TO SOWS FOR IMPROVING LITTER WEIGHT AND REDUCING PIGLET MORTALITY”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 8, no. 4, Apr. 2016, pp. 61-63, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/10170.