14 December 1990 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
15 December 1989 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
8 December 1988 | Publisher: UN General Assembly | Document type: Resolutions/Recommendations/Declarations
31 October 1977 | Publisher: UN Security Council | Document type: Resolutions/Recommendations/Declarations