Koritiaki, Natália Albieri, et al. “Principal Component Analysis of Pre-Weaning Growth Traits in Santa Inês Lambs”. Semina: Ciências Agrárias, vol. 40, no. 6Supl2, Sept. 2019, pp. 3269-78, doi:10.5433/1679-0359.2019v40n6Supl2p3269.