LI, L.; CAMPBELL, J. Emotion Modeling and Interaction of NPCS in Virtual Simulation and Games. International Journal of Virtual Reality, [S. l.], v. 9, n. 4, p. 1–6, 2010. DOI: 10.20870/IJVR.2010.9.4.2784. Disponível em: https://ijvr.eu/article/view/2784. Acesso em: 5 feb. 2023.