Swartout, W., Artstein, R., Forbell, E., Foutz, S., Lane, H. C., Lange, B., Morie, J. F., Rizzo, A. S., & Traum, D. (2013). Virtual Humans for Learning. AI Magazine, 34(4), 13-30. https://doi.org/10.1609/aimag.v34i4.2487