Sosa, A., J. Galindo, R. Bocourt, N. Albelo, and A. Oramas. “Effect of Aspergillus Oryzae on the Rumen Fermentation of Pennisetum Purpureum Cv. Cuba CT-115 through the in Vitro Gas Technique”. Cuban Journal of Agricultural Science, vol. 44, no. 2, June 2010, https://cjascience.com/index.php/CJAS/article/view/237.