Akintola S. (1988). Information on Nigerian Army, Information Bulletin Public Relations Office, Nigerian Army Depot, Zaria
2.
Blum D. and Philips M. (1984). An Assessment of the Expanded Programme on Immunization (EPI) in Nigeria. The State of the World's Children; UNICEF
3.
Grant J.P. (1985). Towards Universal Immunization. The State of the World's Children; UNICEF pp 93-97
4.
Grant J.P. (1987). Expanded Programme on Immunization (EPI). The State of the World's Children; UNICEF pp 45-55Henderson R H. (1986). Protecting the Nigerian Child. The Vaccine Cold Chain, UNICEF Publication
5.
Keja K.O. and Henderson R.H. (1985). EPI; The Continuing Role of the European Region , WHO Chronicle ,Vol 39, No 3; 92-94
6.
McBeath W. and Kesster S. (1981). Immunization, Primary Health Care, 1-20
7.
Odunsi P.Y. (1988). A Rapid Assessment of National Immunization Days in Nigeria. Assignment Children No 53/54 UNICEF
8.
Philips M.P. (1986). Immunizing the World's Children, Population Reports ; WHOGeneva
9.
Reid R.S. and Smith E.A. (1984). Going National with EPI in Nigeria: A Case Study, Going to Scale for Child Survival and Development. Assignment Children 65/68 UNICEF
10.
Yakubu A.M. (1986). Expanded Programme on Immunization. Paediatrics Departmental Seminar at Ahmandu Bello University Teaching Hospital, Zaria unpublished report
