Website Name
Observers
Since |
||
| European Commission | 1 July 1985 | |
| UNESCO | 1 July 1955 | |
| India | 1 July 2003 | |
| Japan | 1 July 1995 | |
| Russian Federation | 1 July 1991 | |
| Turkey | 1 July 1961 | |
| U.S.A. | 1 July 1998 |
Since |
||
| European Commission | 1 July 1985 | |
| UNESCO | 1 July 1955 | |
| India | 1 July 2003 | |
| Japan | 1 July 1995 | |
| Russian Federation | 1 July 1991 | |
| Turkey | 1 July 1961 | |
| U.S.A. | 1 July 1998 |