تنقيح بحثك
الإتاحة
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المؤلفين
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أنواع المادة
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مواقع
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السلاسل
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أماكن
- Developing countries [x]
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مواضيع
- Biodiversity conserv...
- Community developmen...
- Crisis management
- Economic development
- Environmental policy
- Hydrogen as fuel
- International busine...
- Investments, Foreign
- Public health
- Quality of life
- Social indicators
- Sustainable developm... [x]
- Teaching
- Transportation
- Urban ecology
- Urban policy
- Urban poor
- Urbanization
- أظهر المزيد
- عرض أقل