Sub-Fertility and infertility in Africa, report of an International Workshop on Correlates
of Sub-Fertility and Infertility in Africa held at the Conference Centre University
of Ibadan, Nigeria, November 26-30, 1973, with the support of the International Development
Research Centre, Ottawa, Canada, and the United Nations Economic Commission for Africa,
Addis Ababa, Ethiopia / edited by B. Kwaku Adadevoh, 1974