J. Onyema

Distribution and aetiology of blindness and visual impairment in mesoendemic onchocercal communities, Kaduna State, Nigeria. Kaduna Collaboration for Research on Onchocerciasis.

S. Cousens, J. Evans, I. Murdoch, 1994, The British journal of ophthalmology.

Estimates of aquifer geo-hydraulic and vulnerability characteristics of Imo State and environs, Southeastern Nigeria, using electrical conductivity data

O. Nwofor, Alexander Iheanyichukwu Opara, B. Ejiogu, 2019, Environmental Monitoring and Assessment.