G. K. N. Nwagha,
«Information needs of rural women in Nigeria»,
Information development, pp. p. 76-82: 4 fig., 1 tab., 1992.
M. K. C. Sridhar, Brieger, W. R., Ayotamuno, M. J., Sangodoyin, A. Y., y Vyne, P. N.,
«Shallow drum-lined wells for guinea worm eradication»,
Waterlines, an international journal of water, sanitation and waste, pp. p. 30-32: 3 photogr., 1 tab., 1992.
L. Oyebande y Balogun, I.,
«Water resources management in the semi-arid regions of Nigeria», in
Sustainable water resources management in arid countries : Middle East and Northern Africa = Gestion durable des ressources en eau dans les regions arides : Moyen Orient et Nord de l'Afrique, 1992, pp. P. 209-226 : 7 fig., 6 tab.