Silva, Caio Abércio da, et al. “Evaluation of Fermented Whey by Kluyveromyces Fragilis in Broilers Feeding”. Semina: Ciências Agrárias, vol. 15, no. 1, Jan. 1994, pp. 29-31, doi:10.5433/1679-0359.1994v15n1p29.