Cardoso, Rebeca Rocha, et al. “Short-Term Evaluation of Massai Grass Forage Yield and Agronomic Characteristics and Sheep Performance under Rotational Grazing With Different Pre-Grazing Canopy Heights”. Semina: Ciências Agrárias, vol. 40, no. 3, May 2019, pp. 1339-56, doi:10.5433/1679-0359.2019v40n3p1339.