23 May 1977 - 31 May 1977 Torremolinos - Spain

23 May 1977 - 31 May 1977 Torremolinos - Spain

7 November 1977 - 10 November 1977 Madrid - Spain

24 April 1978 - 27 April 1978 Madrid - Spain

20 November 1978 - 23 November 1978 Madrid - Spain

23 April 1979 - 26 April 1979 Madrid - Spain

17 September 1979 - 22 September 1979 Torremolinos - Spain

27 September 1979 Torremolinos - Spain

30 October 2016 - 1 November 2016 - Executive Council - 104th session - Luxor Egypt