1. Health insurance schemes for people outside formal sector employment;Bennett,1998
2. World Health Report 2000. Health systems: improving performance. Geneva: World Health Organisation; 2000.
3. The contribution of mutual health organizations to financing, delivery, and access to health care: Synthesis of research in nine west and central African countries;Atim,1998
4. Le Projet PRIMA en Guinée Conakry. Une expérience d’organisation de mutuelles de santé en Afrique rurale;Criel,2002
5. Huber G, Hohmann J, Reinhard K. Mutual Health Insurance (MHO)—five years experience in west Africa. Eschborn: GTZ GmbH Division 4320—Health and Population; 2002.