Deng, Z. F., Z. H. Sun, G. O. Tayo, B. Lin, S. X. Tang, X. F. Han, and Z. L. Tan. “Effects of Dietary Zinc and Manganese Sources on Retention and Apparent Absorption Rate of Zinc, Manganese, Copper and Iron in Growing Goats”. Cuban Journal of Agricultural Science 44, no. 3 (September 1, 2010). Accessed December 11, 2023.