Oliveira, Lennon Santos de, et al. “Use of Emulsifier and Lipase in Feeds for Broiler Chickens”. Semina: Ciências Agrárias, vol. 40, no. 6Supl2, Sept. 2019, pp. 3181-96, doi:10.5433/1679-0359.2019v40n6Supl2p3181.