Egboka, B. C., Nwankwor, G. I., Orajaka, I. P., & Ejiofor, A. O. (1989). Principles and problems of environmental pollution of groundwater resources with case examples from developing countries.
Chicago-stil citatEgboka, B C., G I. Nwankwor, I P. Orajaka, och A O. Ejiofor. Principles and Problems of Environmental Pollution of Groundwater Resources With Case Examples From Developing Countries. 1989.
MLA-referensEgboka, B C., G I. Nwankwor, I P. Orajaka, och A O. Ejiofor. Principles and Problems of Environmental Pollution of Groundwater Resources With Case Examples From Developing Countries. 1989.
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