Dey, Avijit, S. S. Misra, S. S. Dahiya, A. K. Balhara, Krishan Kumar, A. K. Das, R. K. Singh, Kiran Attri, and Jose A Imaz. 2017. “Essential Oils As Phytogenic Feed Additive: Potential Benefits on Environment, Livestock Health and Production”. International Journal of Economic Plants 4 (Nov, 4):177-81. https://ojs.pphouse.org/index.php/IJEP/article/view/4527.