Walter, Olga Maria Formigoni Carvalho, Andréa Cristina Konrath, Elisa Henning, and Antonio Cezar Bornia. “Item Response Theory in R Software As Support in Engineering Teaching and Learning”. Abakós 8, no. 2 (November 24, 2020): 61–84. Accessed August 20, 2025. https://periodicos.pucminas.br/abakos/article/view/19507.