Figueiredo, Celina, Sulamita Klein, e Mónica Villanueva. 2022. “Indifference Orders and Split-Indifference Graphs: Thirty Years of Productive Collaborative Work”. Cadernos Do IME - Série Informática 47 (outubro):33-34. https://doi.org/10.12957/cadinf.2022.70583.