1. Abeid. (2006, December 3). Editorial Cartoon. Sunday Observer.
2. Ackbarally, N. (2007). Syringes and Needles now part of Anti-AIDS Arsenal. Interpress News [On-line]. Available: http://ipsnews.net/africa/nota.asp?idnews=36646.
3. Alasiri. (2007, January 11). Wauza ‘unga’ vijiweni Dar waja na staili mpya. [On-line]. Available: http://ippmedia.com/ipp/alasiri/2007/01/11/82130.html.
4. The characteristics and recent growth of heroin injecting in a Kenyan coastal town;Beckerleg;Addiction Research and Theory,2004
5. Marketing harm reduction: A historical narrative of the International Harm Reduction Development Program;Coffin;International Journal of Drug Policy,2002