KUHA, K., GRASER, H.-U., TUMWASORN, S., & JOHNSTON, D. (2011). (Co)variance Components for Birth and Weaning Weights of Shorthorn Beef Cattle in Australia and the United States. Walailak Journal of Science and Technology (WJST), 1(2), 11–24. Retrieved from https://wjst.wu.ac.th/index.php/wjst/article/view/182