“Factors Affecting Degradation of Barley Straw in Sacco and Microbial Activity in the Rumen of Cows Fed Fibre-Rich Diets. JI: The Level of Supplemental Fishmeal”. Semiárida, vol. 10, no. 1, May 2020, p. 52, https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/4782.