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United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Residue Utilization Management of Agricultural & Agro-industrial Residues: Seminar Papers & Documents - Volume 1] ,  Residue Utilization Management of Agricultural & Agro-industrial Residues: Seminar Papers & Documents - Volume 1

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Residue Utilization Management of Agricultural & Agro-industrial Residues: Presentations by Participants Volume 2] ,  Residue Utilization Management of Agricultural & Agro-industrial Residues: Presentations by Participants Volume 2

United Nations Environment Programme ,  Food and Agriculture Organization of the United Nations ,  [Utilisation des Residus Gestion des Residus Agricoles et Agro-Industriels: Une vue d'Ensemble] ,  Utilisation des Residus Gestion des Residus Agricoles et Agro-Industriels: Une vue d'Ensemble

United Nations Environment Programme ,  [Background Paper: Draft Report of the Appropriate technology within the United Nations System - Thematic Joint Programming on Environmentally-Sound and Appropriate Technology Geneva, 23-24 October 1978-] ,  Background Paper: Draft Report of the Appropriate technology within the United Nations System - Thematic Joint Programming on Environmentally-Sound and Appropriate Technology Geneva, 23-24 October 1978-