HÄGGSTRÖM, Jenny; PERSSON, Emma; WAERNBAUM, Ingeborg; DE LUNA, Xavier. CovSel: An R Package for Covariate Selection When Estimating Average Causal Effects. Journal of Statistical Software, [S. l.], v. 68, n. 1, p. 1–20, 2015. DOI: 10.18637/jss.v068.i01. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v068i01. Acesso em: 15 apr. 2025.