W. Wang, et al., "The effect of emotions on brand recall by gender using voice emotion response with optimal data analysis", in Innovative Research Methodologies in Management: Volume II: Futures, Biometrics and Neuroscience Research, Moutinho, Luiz, Sokele, Mladen (Eds.), Ed., Cham, Palgrave Macmillan, 2018, pp. 103-133