Range:
Subjects: Energy conservation; Energy resources; Petroleum refineries
Subjects: Machines; Mechanical engineering
Subjects: Arab world; Economic conditions
Subjects: Arab world; Statistics; Natural gas
Subjects: Arab world; Statistics; Petroleum products
Subjects: Arab world; Statistics; Electric power generation
Subjects: Arab world; Statistics
Subjects: Arab world; Statistics; Environmental aspects
Subjects: Iraq; Environmental aspects; Pollution; Water
Subjects: Basra; Iraq; Environmental aspects
Subjects: Iraq; Swamps; Environmental aspects; Snails
Subjects: Iraq; Swamps; Standards; Water
Subjects: Algeria; Soil erosion
Subjects: Algeria; Environmental aspects; Geology; Hydrology; Natural disasters
Subjects: Algeria; Aquifers; Ouargla (State)
Subjects: Hauran; Management; Syria; Water resources; Economic aspects
Subjects: Groundwater; Management
Subjects: Carbonate rocks; Oman
Subjects: Acoustics; Mechanics; Optical communications
Subjects: Soil mechanics; Soil physics; Mechanics
Subjects: Algorithms
Subjects: Haditha; Iraq; Dams; Management
Subjects: Iraq; Kut; Management
Subjects: Jordan; Groundwater; Natural resources; Pollution; Quality control
Subjects: Aqabah; Jordan; Groundwater; Pollution; Quality control
Subjects: Iraq; Safwan (City); Zubayr (Iraq); Mathematical models
Subjects: Adsorption; Environmental aspects
Subjects: Yemen; Sanitation; Waste water
Subjects: Statistics; Syria; Springs
Subjects: Statistics
Subjects: Statistics; Syria; Rivers
Subjects: Rural areas; Statistics; Syria; Towns
Subjects: Statistics; Syria; Mountains
Subjects: Pollution