Freitas Júnior, S. de P. et al. 2009. Genetic gain prediction on UNB-2U popcorn population under recurrent selection by using different selection indexes. Semina: Ciências Agrárias. 30, 4 (Dec. 2009), 803–814. DOI:https://doi.org/10.5433/1679-0359.2009v30n4p803.