EUGENY LEONIDOVICH KHARITONOV. “Specification of Norms of a Protein Feed of Dairy Cows in the First Phase of a Lactation”. International Journal of Pharma and Bio Sciences 8, no. 2 (June 30, 2017): 52–58. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/5813.