Pedagogical Agent Gestures to Improve Learner Comprehension of Abstract Concepts in Hints. - Igor Martins; Felipe de Morais; Bruno Schaab; Patrícia Augustin Jaques (Int. J. Inf. Commun. Technol. Educ., 2016)

Stochastic Volatility Models with Skewness Selection. - Igor Martins; Hedibert Freitas Lopes (Entropy, 2024)