SANTANA, A. A.; PERNÍA, L. A.; SANTANA, D. A. Historical, mathematical and nutritional bases of Pearson Square as a fit method for ruminant rations. Cuban Journal of Agricultural Science, [S. l.], v. 49, n. 3, 2016. Disponível em: https://cjascience.com/index.php/CJAS/article/view/507. Acesso em: 3 may. 2024.