Paperback
ISBN: 978-92-3-102455-9
ISBN-10: 92-3-102455-8
United Nations Educational Scientific and Cultural Organization (UNESCO) ยท 1987
| See also: | ||
| 1992 | Paperback | Records of the General Conference: 26th Session |
| 1991 | Paperback | Records of the General Conference: 25th Session |
| 1990 | Paperback | Records of the General Conference: 25th Session |
| 1990 | Paperback | Records of the General Conference: 25th Session |
| 1989 | Paperback | Records of the General Conference: 24th Session |
| 1988 | Paperback | Records of the General Conference: 24th Session |