1. USDHHS National household survey on drug abuse — Main findings 1996. Rockville; US Department of Health and Human Services Substance Abuse and Mental Health Services Administration (SMA-98-3200), 1998.
2. UNDCP World Drug Report. New York; Oxford University Press Inc. 1997.
3. Platt JJ. Cocaine Research: Theory, Research and Treatment. Cambridge; Harvard University Press, 1997.
4. Swadi H, Zeitlin H. Child and Adolescent Psychiatry. In: Granville-Grossman K. (ed).Recent Advance in Clinical Psychiatry New Delhi; B.1. Churchill Livingstone Pvt. Ltd. 1993; pp. 6–10.
5. Jaffe S. The Substance Abusing Youth. In: Parmelle DX (ed.)Child and Adolescent Psychiatry St. Louis; Mosby-Year Book Inc. 1996; pp. 237–224.