1. American Association of Colleges of Nursing 2004 Doctor of nursing practice programs
2. American Association of Colleges of Nursing 2005 2004-2005 enrollment and graduations in baccalaureate and graduate programs in nursing
3. American Association of Colleges of Nursing 2009 2008-2009 enrollment and graduations in baccalaureate and graduate programs in nursing
4. Self-efficacy mechanism in human agency;Bandura;American Psychologist,1982