Author
UNESCO. General Conference, 33rd, 2005
6
UNESCO. General Conference, 32nd, 2003
3
UNESCO. General Conference, 35th, 2009
3
UNESCO. General Conference, 30th, 1999
2
UNESCO. General Conference, 34th, 2007
2
UNESCO. Executive Board, 186th, 2011
1
UNESCO. Executive Board, 207th, 2019
1
UNESCO. General Conference, 19th session, Nairobi, 1976
1
UNESCO. General Conference, 26th session, 1991
1
UNESCO. General Conference, 36th, 2011
1
UNESCO. General Conference, 38th, 2015
1
UNESCO. General Conference, 40th, 2019
1