The research on which this publication is based was funded by a grant from Réseau d'Equipes Intervenant sur la Question Urbaine dans les Pays en Développement (INTERURBA) of Paris, France. This kind gesture is appreciated.
2The publication is jointly published by IFRA, Ibadan and CASSAD, Ibadan. The valuable encouragement received from the Director of IFRA, Prof. Georges Hérault, in the process of carrying out the research is thankfully acknowledged.