1. Generations: the history of America's future, 1584 to 2069;Strauss,1991
2. Millennials in America;Scardamalia,2015
3. The flipped classroom allows for more class time devoted to critical thinking;DeRuisseau;Adv Physiol Educ,2016
4. Massive open online courses are relevant for postgraduate medical training;Subhi;Dan Med J,2014