1. Altman, D. G. (1999). Practical statistics for medical research. Boca Raton, FL: Chapman & Hall/CRC.
2. Ananiadou, K., & Claro, M. (2009). 21st Century skills and competences for new millennium learners in OECD countries. OECD education working papers 41.
http://www.oecd-ilibrary.org/education/21st-century-skills-and-competences-for-new-millennium-learners-in-oecd-countries_218525261154
.
3. Balsamo, A. (2009). Design. International Journal of Learning and Media,
1(4), 1–10.
https://doi.org/10.1162/ijlm_a_00036
.
4. Baynes, K. (1974). The RCA study ‘design in general education’. Studies in Design Education Craft & Technology, 6(2).
https://ojs.lboro.ac.uk/ojs/index.php/SDEC/article/view/754
.
5. Biesta, G. J. J. (2008). Good education in an age of measurement: On the need to reconnect with the question of purpose in education. Educational Assessment, Evaluation and Accountability (Formerly: Journal of Personnel Evaluation in Education),
21(1), 33–46.
https://doi.org/10.1007/s11092-008-9064-9
.