NAÇÕES UNIDAS. International Narcotics Control Board
Precursors and chemicals frequently used in the illicit manufacture of narcotic drugs and psychotropic substances : Report of the International Narcotics Control Board on the implementation of article 12 of the United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances of 1988 . - New York : International Narcotics Control Board, 1993 . - vi, 49 p.; 30 cm . - ISBN: 9211480906
PRODUÇÃO DE DROGA / SUBSTÂNCIA PSICOTRÓPICA / ORGANIZAÇÃO DAS NAÇÕES UNIDAS /