Kumar, Ajit, et al. “Effects of Milking Temperament on Milk Yield, Udder Health and Milk Composition in Crossbred Jersey Cows”. International Journal of Livestock Research, vol. 9, no. 1, Jan. 2019, pp. 187-94, http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1407.