Text ( visual ) : unmediated Conservation directory 2004 : the guide to worldwide environmental organizations / National Wildlife Federation ; Bill Street, editor. -- 49th ed. -- Washington, D.C. : Island Press , c2004. -- 793 p. ; 27 cm. -- Includes index. -- ISBN 1559634154 ; (BA68061703) ; https://ci.nii.ac.jp/ncid/BA68061703 Author Heading(s): National Wildlife Federation ; Street, Bill. -- Classification(s): DC21 : 333.9516. -- Subject Heading(s): LCSH : Conservation of natural resources

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