1. What we don’t know we are teaching: unveiling the hidden curriculum;Gofton;Clin Orthop Relat Res,2006
2. The Oxford handbook of lifelong learning;London,2011
3. Grit: the power of passion and perseverance;Duckworth,2016
4. Saint Augustine of Hippo, 354-430. The Confessions of Saint Augustine. Mount Vernon: White Plains, NY: Peter Pauper Press, 19401949.
5. The purpose-driven life: what on earth am I here for?;Warren,2002