Cornford, I. R. (2002). Learning-to-learn strategies as a basis for effective lifelong learning. International journal of lifelong education, 21(4), 357-368.
Karpicke, J., y Roediger, H. (2008). The critical importance of retrieval for learning. Science, 319(5865), 966-968.
Willingham, D. (2014). Strategies that make learning last. Educational Leadership, 72(2), 10-15.