1. World Health Organization. (2007). Working for health: An introduction to the World Health Organization. Geneva, Switzerland: Author. Retrieved April 17, 2012 from
http://www.who.int/about/brochure_en.pdf
2. World Health Organization. (2011). Global health sector strategy on HIV/AIDS 2011–2015. Geneva, Switzerland: Author. Retrieved April 17, 2012 from
http://whqlibdoc.who.int/publications/2011/9789241501651_eng.pdf