Paperback
ISBN: 978-92-1-048069-7
ISBN-10: 92-1-048069-4
United Nations ยท 1999
| See also: | ||
| 1998 | Paperback | Psychotropic Substances: Statistics for 1996 (Statistics on Psychotropic Substances) |
| 1993 | Paperback | Psychotropic Substances: Statistics for 1992 |
| 1991 | Paperback | Psychotropic Substances: Statistics for 1989 |