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United Nations Environment Programme ,  [Public Health Problems in the Coastal Zone of the East African Region: UNEP Regional Seas Reports and Studies No. 009] ,  Public Health Problems in the Coastal Zone of the East African Region: UNEP Regional Seas Reports and Studies No. 009

United Nations Environment Programme ,  [Industrial Sources of Marine and Coastal Pollution in the East African region: UNEP Regional Seas Reports and Studies No. 7] ,  Industrial Sources of Marine and Coastal Pollution in the East African region: UNEP Regional Seas Reports and Studies No. 7