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Functions of nature : evaluation of nature in environmental planning, management and decision making 1992 Groot, Dolf de |
Making haste slowly : strengthening environmental management in agricultural development 1991 Savenije, H. | Huijsman, A. |
Tourism and environment in the Victoria Falls area : an assessment of the environmental impact of tourism developments. Phase I study report 1994 Boyle, John | Chaibva, Shem | Sola, Lovemore | Tshabangu, Aaron |
Inventaire et etude des possibilités de sauvegarder plusieurs ecosystèmes originaux dans la région d'El-Kala (Annaba) 1979 Belouad, A. |
Eco-management and eco-auditing : environmental issues in business 1993 Jones, David | Spedding, L. |