1. Zambia Demographic & Health Survey 2001-2002,2003
2. UNAIDS,2002
3. Republic of Zambia,2001
4. Central Statistical Office [Zambia], Ministry of Health [Zambia], Project Concern International [Zambia] with MEASURE Evaluation, and the University of North Carolina at Chapel Hill,1999
5. Zambia Demographic & Health Survey 1996,1997