الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
History
93
Agriculture
77
Histoire
73
Forêts
26
Conservation of natural resources
23
Gestion
21
Landscape architecture
20
المزيد ...
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بواسطة Centner, Terence J.
Urbana, Ill. : University of Illinois Press, 2004
Urbana, Ill. : University of Illinois Press, 2004
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كتاب
4
بواسطة McCurdy, Dwight R., 1937-
Carbondale : Southern Illinois University Press, 1985
Carbondale : Southern Illinois University Press, 1985
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كتاب
5
6
7
بواسطة Mohlenbrock, Robert H., 1931-
New York : Congdon & Weed : Distributed by St. Martin's Press, 1984
1st ed.
New York : Congdon & Weed : Distributed by St. Martin's Press, 1984
1st ed.
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كتاب
8
بواسطة Eckholm, Erik P.
[Washington] : Worldwatch Institute, 1979
[Washington] : Worldwatch Institute, 1979
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كتاب
9
10
11
12
13
بواسطة Hornaday, William T. (William Temple), 1854-1937
Stamford, Conn. : Permanent Wild Life Protection Fund, 1931
Congressional edition.
Stamford, Conn. : Permanent Wild Life Protection Fund, 1931
Congressional edition.
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كتاب
14
15
بواسطة Jaeger, Ellsworth
New York : Macmillan Co., 1948
New York : Macmillan Co., 1948
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كتاب
16
17
18
بواسطة Scheuering, Rachel White
Westport, Conn. : Greenwood Press, 2004
Westport, Conn. : Greenwood Press, 2004
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كتاب
19
بواسطة Williams, Michael, 1935-2009
Cambridge [Cambridgeshire] ; New York : Cambridge University Press, 1989
Cambridge [Cambridgeshire] ; New York : Cambridge University Press, 1989
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كتاب
20
بواسطة Craighead, Frank C. (Frank Cooper), 1890-1982
Washington, D.C. : U.S. Department of Agriculture, 1950
Washington, D.C. : U.S. Department of Agriculture, 1950
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وثيقة رسمية
كتاب