Fuzzy Chess Tactics. - João Paulo Carvalho 001; Nuno Cavaco Gomes Horta; Daniel Chang Yan; Pedro Ramos e Silva (EUSFLAT Conf., 2005)

Two-Input Fuzzy TPE Systems. - João Paulo Carvalho 001; José Alberto Batista Tomé; Daniel Chang Yan (Analysis and Design of Intelligent Systems using Soft Computing Techniques, 2007)