1. Petter Amland. 2017. Ursina. GitHub. https://github.com/pokepetter/ursina Accessed: 2021-01--12. Petter Amland. 2017. Ursina. GitHub. https://github.com/pokepetter/ursina Accessed: 2021-01--12.
2. A Game Engine in Pure Python for CS1
3. Retention and progression of engineering students with diverse mathematical backgrounds
4. Mike Boyle. 2018. The quaternion package: Add support for quaternions to python and numpy (Version v2.0). Zenodo. https://doi.org/10.5281/zenodo.1220425 Mike Boyle. 2018. The quaternion package: Add support for quaternions to python and numpy (Version v2.0). Zenodo. https://doi.org/10.5281/zenodo.1220425