Shipulina, Olga V., David Harris Smith, and Peter Liljedahl. 2013. “Bringing Reality into Calculus Classrooms: Mathematizing a Real-Life Problem Simulated in a Virtual Environment”. International Journal of Engineering Pedagogy (iJEP) 3 (1):pp. 29-35. https://doi.org/10.3991/ijep.v3i1.2337.