1. Abraham, A., & Collins, D. (1998). Examining and extending research in coach development. Quest, 50(1), 59–79.
2. Allen, D., & Eby, L. T. (2010). The Blackwell handbook of mentoring: A multiple perspectives approach. West Sussex, UK: Wiley-Blackwell.
3. Ariel, R., & Karpicke, J. D. (2018). Improving self-regulated learning with a retrieval practice intervention. Journal of Experimental Psychology: Applied, 24(1), 43–56.
4. Ayer, T. (2016). The sphinx of the Charles: A year at Harvard with Harry Parker. Guilford, CT: Lyon Press.
5. Barker, J., McCarthy, P., Jones, M., & Moran, A. (2011). Single-case research methods in sport and exercise psychology. New York: Routledge.