Nigeria demographic and health survey, 1990. - Nigeria. Federal Office of Statistics; Macro International. Institute for Resource Development. Demographic and Health Surveys (Lagos, Nigeria : Federal Office of Statistics ; Columbia, Md. : IRD/Macro International, 1992)
"April 1992"
Includes bibliographical references (p. 127).
Keywords: Nigeria -- Population -- Statistics; Nigeria -- Statistics, Vital; Demographic surveys -- Nigeria