Range:
Subjects: Commerce; Oman; Petroleum; Statistics
Subjects: Iran; Twentieth century; Economic aspects; Economic conditions; Petroleum
Subjects: Mineral oils; Oils; Concrete; Petroleum
Subjects: Kuwait; Statistics; Petroleum
Subjects: Libya; Statistics; Corporations; Petroleum; Petroleum products
Subjects: Oman; Statistics; Corporations; Economic aspects; Petroleum
Subjects: Oman; Statistics; Economic aspects; Natural gas; Petroleum
Subjects: Employees; Iraq; Occupational diseases; Petroleum
Subjects: Petroleum; Quality assurance
Subjects: Egypt; Statistics; Industries; Petroleum
Subjects: Arab world; Statistics; Petroleum
Subjects: Foreign investments; Oman; Statistics; Corporations; Petroleum
Subjects: Oman; Statistics; Economic aspects; Petroleum
Subjects: Rocks; Sedimentary rocks; Geology; Measurement; Petroleum
Subjects: Industrial applications; Lasers; Corporations; Petroleum
Subjects: Arab world; Statistics; Consumption; Electric power; Petroleum
Subjects: Kuwait; Statistics; Corporations; Petroleum
Subjects: Kuwait; Statistics; Economic aspects; Petroleum
Subjects: Kuwait; Natural gas; Statistics; Corporations; Petroleum
Subjects: Corporations; Petroleum; Petroleum products
Subjects: Sudan; Economic aspects; Economic conditions; Petroleum
Subjects: Saudi Arabia; Economic aspects; Labour market; Petroleum
Subjects: Economic aspects; Petroleum
Subjects: Basra; Iraq; Petroleum refineries; Computing; Petroleum
Subjects: Jordan; Statistics; Fuels; Petroleum