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An ordination study of mangrove swamp communities in West Africa.
Vegetation Kluwer Publishers, Belgium. -
The Socio-Economic Impact of Stranger communities in Calabar: The Igbo and...
History and Citizenship: Essays in Honour of Okon Edet Uya. Edited by I. R. Amadi et al (Eds.). Calabar: University of Calabar Press.