1. Ministry of Health, Kenya, Manual for the District Health Management Information System, Health Information System Department, 1991.
2. Special issue on “IT and health care in developing countries”;Sahay;Electron. J. Inform. Syst. Dev. Countries, EJISDC,2001
3. Criteria for evaluation of district health information systems;Hanmer;Int. J. Med. Inform.,1999
4. Ministry of Health, Kenya, Murang’a District Health Annual Report, Murang’a District Hospital, 1994.
5. Ministry of Health, Kenya, and UNICEF, Health Information System Bulletin, Health Information System Department, Nairobi, Kenya, 1993.