![Competencies in Teaching, Learning and Educational Leadership in the Digital Age || Competencies, Challenges, and Changes: A US Perspective on Preparing Twenty-First Century Teachers and Leaders]()
Competencies in Teaching, Learning and Educational Leadership in the Digital Age || Competencies, Challenges, and Changes: A US Perspective on Preparing Twenty-First Century Teachers and LeadersSpector, J. Michael; Ifenthaler, Dirk; Sampson, Demetrios G.; Isaias, Pedro · 2016