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Ndubuisi Eluozo S. Establishments of porosity model and evaluation to monitor the effect on c to ground water aquifers in port harcourt. Sci. J. Environ. Sci. [Internet]. 2013Mar.29 [cited 2025Feb.24];2(2):19-26. Available from: https://sjournals.com/index.php/sjes/article/view/1268