Silva, Gonçalo Mesquita da, et al. “Crude Glycerin in Diets for Nelore Heifers on Pasture in Dry Season”. Semina: Ciências Agrárias, vol. 36, no. 1, Feb. 2015, pp. 467-84, doi:10.5433/1679-0359.2015v36n1p467.