تنقيح بحثك
الإتاحة
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المؤلفين
- Bohi, Douglas R,
- Day, Felicia
- Evans, Alan W.
- Fox, Irving K.
- Haefele, Edwin T,
- Homan, Paul T.
- Hyde, William F,
- Jarrett, Henry
- Knetsch, Jack L.
- Lovejoy, Wallace F.
- Mikesell, Raymond Fr...
- Parry, Ian W. H.
- Perloff, Harvey S.
- Resources for the Fu...
- Scheinman, Lawrence
- Schurr, Sam H.
- Smith, V. Kerry
- Toman, Michael A.
- Tsur, Yacov
- Wingo, Lowdon
- أظهر المزيد
- عرض أقل
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أنواع المادة
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مواقع
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السلاسل
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أماكن
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مواضيع
- Cities and towns
- Climatic changes
- Energy policy
- Environmental manage...
- Environmental policy
- Externalities (Econo...
- Forest management
- Forest reserves
- Mineral investment
- Municipal government
- Natural resources
- Nuclear nonprolifera...
- Outdoor recreation i...
- Petroleum conservati...
- Petroleum industry a...
- Timber
- Water resources deve...
- Water-supply
- أظهر المزيد
- عرض أقل