POOLE, K. T.; LEWIS, J. B.; ROSENTHAL, H.; LO, J.; CARROLL, R. Recovering a Basic Space from Issue Scales in R. Journal of Statistical Software, [S. l.], v. 69, n. 7, p. 1–21, 2016. DOI: 10.18637/jss.v069.i07. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v069i07. Acesso em: 21 nov. 2024.