1. Hamdan N. McKnight P. McKnight K. Arfstrom K. M. (2013). The flipped learning model: A white paper based on the literature review titled “A review of flipped learning.” Retrieved from http://fln.schoolwires.net/cms/lib07/VA01923112/Centricity/Domain/41/WhitePaper_FlippedLearning.pdf
2. An overview of adult-learning processes;Russell S. S.;Urologic Nursing,2006