1. Addiction Research Foundation: Report of the “International Working Group on the Convention on Psychotropic Substances, 1971”. Alcohol and Drug Addiction Research Foundation, Toronto, September 8-12, 1980.
2. Kramer JC: Social benefits and social costs of drug control laws.J Drug Issues 1978; 8: 1–7.
3. Lande A : Principles of effective drug abuse control. Papers presented at the International Institute on the Prevention and Treatment of Drug Dependence, 1970, pp 51–79.
4. Lind RC : Benefit-cost approach to evaluation of programs, inControlling Drugs: International Handbook for Psychoactive Drug Classification. United Nations Social Defence Research Institute, Rome. London, Jossey-Bass, 1974.
5. Soueif MI: The Psychotropic Convention in Egypt, in Smart R, Murray GF, Archibald HD (eds): Psychotropic Substances and Their International Control. Toronto, Alcohol and Drug Addiction Research Foundation, 1981.