1. Lehmann U, Sanders D: Community Health Workers: What do we Know About Them? The State of the Evidence on Programs, Activities, Costs and Impacts on Health Outcomes of Using Community Health Workers. 2007, Geneva: WHO
2. Declaration of Alma-Ata: Adopted at International Conference on Primary Health Care; 6 to 12 September. 1978, Alma-Ata: USSR
3. Lewin S, Dick J, Pond P, Zwarenstein M, Aja G, van Wyk B, Bosch-Capblanch X, Patrick M: Lay health workers in primary and community health care. Cochrane Database Syst Rev. 2005, 1: CD004015
4. Walt G: Community Health Workers in National Programmes. Just Another Pair of Hands?. 1990, Milton Keynes: Open University Press
5. Berman PA, Gwatkin DR, Burger SE: Community based health workers: head start or false start towards health for all?. Soc Sci Med. 1987, 25: 443-459. 10.1016/0277-9536(87)90168-7.