Bell-Gam, W. I. (1990). Land reclamation and environmental management: A case study of the Niger Delta. Rivers State University of Science and Technology.
Citace podle Chicago (17th ed.)Bell-Gam, Winston I. Land Reclamation and Environmental Management: A Case Study of the Niger Delta. Port Harcourt: Rivers State University of Science and Technology, 1990.
Citace podle MLA (9th ed.)Bell-Gam, Winston I. Land Reclamation and Environmental Management: A Case Study of the Niger Delta. Rivers State University of Science and Technology, 1990.
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