1. African Union-InterAfrican Bureau for Animal Resources (2014)
http://www.au-ibar.org/
. Accessed March 6, 2014
2. Aguirre AA, Ostfeld RS, Daszak P (editors) (2012) New Directions in Conservation Medicine, Applied Cases of Ecological Health, New York: Oxford University Press
3. Aguirre AA, Ostfeld RS, Tabor GA, House C, Pearl MC (editors) (2002) Conservation Medicine: Ecological Health in Practice, New York: Oxford University Press
4. Ahmed, T, Hossain, M, Sanin, KI (2012) Global burden of maternal and child undernutrition and micronutrient deficiencies. Annals of Nutrition & Metabolism 61, supplement 1:8-17
5. Alexander JS, Wilson RC, Green WR (2012) A Brief History and Summary of the Effects of River Engineering and Dams on the Mississippi River System and Delta, U.S. Geological Survey Circular 1375