1. European Commission. (2014). EU Skills Panorama. Skills challenges in Europe. Analytical Highlight.
2. Directorate general for internal policies. (2015). Encouraging STEM studies: Labour market situation and comparison of practices targeted at young people in different member states.
3. Dobson, I. (2013). STEM: country comparisons–Europe. In A critical examination of existing solutions to the STEM skills shortage in comparable countries. Melbourne: Australian Council of Learned Academies.
4. Forsthuber, B., Motiejunaite, A., & de Almeida Coutinho, A. S. (2011). Science education in Europe: National policies, practices and research. Education, Audiovisual and Culture Executive Agency, European Commission.
5. Flegg, J., Mallet, D., & Lupton, M. (2012). Students’ perceptions of the relevance of mathematics in engineering. International Journal of Mathematical Education in Science and Technology, 43(6), 717–732.