Electronic ISSN 2287-0237
1. http://www.aofoundation.org/the-ao-foundation/about/ Pages/history.aspx
2. Communications & Publicity Committee. (2008). History of AO in the Asia Pasific Region. AO Asia Pasific.
3. Schlich, T. (2002) Surgery, Science and Industry A Revolution in Fracture Care, 1950s-1990s, Great Britain, Antony Rowe Ltd, Palgrave Macmillan
4. Heim, Urs F.A. (2001) The AO phenomenon: Foundation and early years of the Association for the Study of International Fixation (ASIF) , Toronto, Huber
