الفترة:
Subjects: Saudi Arabia
Subjects: Angiotensin converting enzyme
Subjects: Saudi Arabia; Insects; Spiders; classification Libraries
Subjects: Agricultural chemicals; Cadmium; Seeds; Disinfectants; Toxicology
Subjects: Plants; Saudi Arabia; Development; Production
Subjects: Arabic language; English language; Saudi Arabia; Measurement; Noise
Subjects: Evaporation; Jiddah; Saudi Arabia; Measurement
Subjects: Astronomical observatories
Subjects: Saudi Arabia; al-Dawadmi (Governorate)
Subjects: Saudi Arabia; Remote sensing
Subjects: Atriplex
Subjects: Drought; Saudi Arabia; Irrigation
Subjects: Inorganic chemistry; Aluminum
Subjects: Agricultural machinery
Subjects: Thermochemistry
Subjects: Price policy; Economics; Islam; Islamic jurisprudence; Monopolies
Subjects: Bahah; Saudi Arabia; Plants
Subjects: Internal migration; Migration; United States; Economic aspects; Migrant workers
Subjects: Optical properties; Salts
Subjects: Education; Higher education; Learning; Academic achievement; Accounting
Subjects: Banks; Islam; Islamic economics; Economics; Philosophy
Subjects: Literature; Slavery; Twentieth century; United States
Subjects: Arabic language; Grammar