الفترة:
Subjects: Diesel motors; Internal combustion engines; Environmental aspects
Subjects: Australia; Environmental aspects; Geographical information systems; Geography; Urbanization
Subjects: Cairo; Egypt; Air; Environmental aspects; Pollution
Subjects: Commerce; Environmental aspects
Subjects: Jordan; Statistics; Environmental aspects; Land use
Subjects: Palestine; West Bank; Environmental aspects; Grazing; Medicinal plants
Subjects: Environmental aspects; Pollution
Subjects: Iraq; Air; Environmental aspects; Measurement; Pollution
Subjects: Freshwater; Pollution; Soil pollution; Sulfur; Water
Subjects: Egypt; Statistics; Carbon dioxide; Natural gas; Petroleum products
Subjects: Environmental aspects; Groundwater; Organic compounds; Pollution
Subjects: Sanitation; Waste treatment; Waste water; Industries; Pollution
Subjects: Management; Environmental aspects
Subjects: Agricultural chemistry; Pollution; Soil chemistry; Environmental aspects; Soil pollution
Subjects: Environmental aspects; Groundwater; Pollution; Soil pollution
Subjects: Jordan; Statistics; Environmental aspects; Industries
Subjects: Jordan; Statistics; Environmental aspects
Subjects: Jordan; Statistics; Environmental aspects; Medical care
Subjects: Jordan; Statistics; Air; Carbon dioxide; Pollution
Subjects: Jordan; Statistics; Air; Environmental aspects; Pollution
Subjects: Land use; Rural areas; Urban planning; Government policy; Management
Subjects: Algeria; Constantine; Environmental aspects
Subjects: Algeria; Constantine; Architecture; Environmental aspects
Subjects: Jiddah; Saudi Arabia; Environmental aspects; Mathematical models
Subjects: Salts; Yemen; Environmental aspects; Radioisotopes
Subjects: Drinking water; Environmental aspects
Subjects: Bangladesh; Environmental aspects
Subjects: Ammonium ions; Environmental aspects
Subjects: Jordan; Air; Automobiles; Islamic jurisprudence; Pollution
Subjects: Farming systems; Environmental aspects
Subjects: Jordan; Environmental aspects
Subjects: Pollution; Environmental aspects; Soil pollution
Subjects: Egypt; Environmental aspects; Fishes; Pollution; Water
Subjects: Algal blooms; Oman; Ecology; Environmental aspects
Subjects: Environmental aspects
Subjects: Heavy minerals; Saudi Arabia; Environmental aspects; Soil pollution
Subjects: Iraq; Environmental aspects; Minerals; Pollution; Water
Subjects: Air quality; Kuwait; Environmental aspects; Mortality
Subjects: Environmental aspects; Fishes
Subjects: Forage plants; Pollution; Environmental aspects; Soil pollution
Subjects: Algeria; Constantine; Domestic architecture; Architecture; Environmental aspects
Subjects: Palestine; Environmental aspects; Sanitation; Waste water
Subjects: Jordan; Environmental aspects; Management; Plastic bags
Subjects: Environmental aspects; Sanitation; Waste water
Subjects: Dwellings; Johannesburg (City); South Africa; Environmental aspects; Housing