Silva, V. R. da, e I. T. S. Previdelli. “<b>Item Response Theory in the Production of Indicators of Socioeconomic Metropolitan Region of Maringá, Paraná State, Brazil</b> - Doi: 10.4025/actascitechnol.V34i4.10478”. Acta Scientiarum. Technology, vol. 34, nº 4, maio de 2012, p. 427-31, doi:10.4025/actascitechnol.v34i4.10478.