1. Abelson, H. (2008). The creation of OpenCourseWare at MIT. Journal of Science Education and Technology, 17(2), 164–174.
2. Atkins, D., Brown, J., & Hammond, A. (2007). A review of the open educational resources (OER) movement: Achievements, challenges, and new opportunities. San Francisco, CA: Creative Common, The William and Flora Hewlett Foundation.
3. Bischl, B., Lang, M., Kotthoff, L., Schiffner, J., Richter, J., Studerus, E., … Jones, Z. (2016). mlr: Machine learning in R. Journal of Machine Learning Research, 17(170), 1–5.
http://jmlr.org/papers/v17/15-066.html
4. Camara, W., O’Connor, R., Mattern, K., & Hanson, M. A. (2015). Beyond academics: A holistic framework for enhancing education and workplace success. Iowa City, IA: ACT, Inc.
5. Carmona, C., Millán, E., Pérez-de-la-Cruz, J., Trella, M., & Conejo, R. (2005). Introducing prerequisite relations in a multi-layered Bayesian student model. In International conference on user modeling (pp. 347–356). Berlin/Heidelberg, Germany: Springer.