Paperback
ISBN: 978-92-1-048067-3
ISBN-10: 92-1-048067-8
United Nations ยท 1998
| See also: | ||
| 1999 | Paperback | Psychotropic Substances: Statistics for 1997 (Statistics on Psychotropic Substances) |
| 1993 | Paperback | Psychotropic Substances: Statistics for 1992 |
| 1991 | Paperback | Psychotropic Substances: Statistics for 1989 |