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United Nations Environment Programme ,  United Nations Educational, Scientific and Cultural Organization ,  [Mise en valeur du milieu marin et des zones cotieres dans la region de l'Afrique de l'Est - PNUE: Rapports et etudes des mers regionales No. 6] ,  [Marine and Coastal Area Development in the East African Region - UNEP Regional Seas Reports and Studies No. 6] ,  Marine and Coastal Area Development in the East African Region - UNEP Regional Seas Reports and Studies No. 6