TYURINA, L. E. The balance of nitrogen, calcium and phosphorus in lactating cows. Mongolian Journal of Agricultural Sciences, [S. l.], v. 22, n. 03, p. 29–32, 2018. DOI: 10.5564/mjas.v22i03.946. Disponível em: https://www.mongoliajol.info/index.php/MJAS/article/view/946. Acesso em: 19 apr. 2024.