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United Nations Educational, Scientific and Cultural Organization ,  United Nations Environment Programme ,  [Programme on Man and the Biosphere (MAB): Regional Meeting on Integrated Ecological Research and Training Needs in the Sahelian Region - Final Report. MAB report series No. 18] ,  Programme on Man and the Biosphere (MAB): Regional Meeting on Integrated Ecological Research and Training Needs in the Sahelian Region - Final Report. MAB report series No. 18

United Nations Environment Programme ,  [Cleaner Production: A Guide to Sources of Information] ,  Cleaner Production: A Guide to Sources of Information

United Nations Environment Programme ,  [Formation supérieure en matière d'environnement en Afrique: Répertoire des établissements, programmes et personnels] ,  [A Regional Directory of African Tertiary Level Environmental Training Programmes and Resource Persons] ,  A Regional Directory of African Tertiary Level Environmental Training Programmes and Resource Persons