1. Sefton-Green, J., Marsh, J., Erstad, O., Flewitt, R.: Establishing a research agenda for the digital literacy practices of young children: a white paper for COST action IS1410 (2016). http://digilitey.eu/ Accessed 19 Jan 2017
2. Sawyer, R.K.: Optimizing Learning: Implications of Learning Sciences Research. OECD/CERI, Paris (2008)
3. Livingstone, D.W.: Adults’ Informal Learning: Definitions, Findings, Gaps and Future Research. OISE/UT, Toronto (2001). (NALL Working Paper No. 21)
4. Van Noy, M., James, H., Bedley, C.: Reconceptualizing Learning: A Review of the Literature on Informal Learning. ACT Foundation. Rutgers Education and Employment Research Center (2016)
5. Bilandzic, M.: Connected learning in the library as a product of hacking, making, social diversity and messiness. Interact. Learn. Environ. 24(1), 158–177 (2016)