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Desertification Control Number 5, December 1981
(1981)
Desertification Control is an international bulletin published at six-monthly intervals by the United Nations Environment Programme (UNEP) to disseminate information and knowledge on desertification problems and to present ...
Desertification Control Number 7, December 1982
(1982)
Desertification Control is an international bulletin published at six-monthly intervals by the United Nations Environment Programme (UNEP) to disseminate information and knowledge on desertification problems and to present ...