1. The history of nursing in Ethiopia;Ali;Nursing History Review,2011
2. American College of Nurse-Midwives 2012 ACNM Vision, Mission, and Core Values http://www.midwife.org/ACNM/files/ACNMLibraryData/UPLOADFILENAME/000000000269/ACNM%20Vision%20Mission%20Core%20Values%20April%202012.pdf
3. American Nurses Association 2015 Factsheets and Resources http://nursingworld.org/MainMenuCategories/ANAMarketplace/Factsheets-and-Toolkits
4. Baylor University 2012 Pro Futuris https://www.baylor.edu/profuturis/
5. Advocating globally to shape policy and strengthen nursing's influence;Benton;OJIN: The Online Journal of Issues in Nursing,2012