الفترة:
Subjects: Optical communications
Subjects: Soy oil; Soybean
Subjects: Agricultural machinery; Mathematical models
Subjects: Valleys; Yemen; Plants
Subjects: Diseases
Subjects: Sudan; Cattle; Diseases; Immunology
Subjects: Microbiology; Omdurman; Sudan; Drinking water; Quality assurance
Subjects: Sudan; Fertilizers; Wheat
Subjects: Antibacterial agents; Bacterioses; Chemotherapy
Subjects: Proteins; Sudan
Subjects: Malaysia; Groundwater; Quality control
Subjects: Rift valley fever; Saudi Arabia; Diseases; Goats; Sheep
Subjects: Birds; Clinical chemistry; Blood; Chemistry
Subjects: Sudan
Subjects: Drugs; Microbiology; Soils
Subjects: Fungicides; Microbiology; Soils
Subjects: Yemen; Agricultural machinery
Subjects: Physiology; Sheep
Subjects: Camels; Anatomy; Surgery
Subjects: Corn; Sudan; Agricultural machinery; Mathematical models
Subjects: Clinical chemistry; Blood; Chemistry; Physiology
Subjects: Lead
Subjects: Climate; Khartoum; Architecture; Environmental aspects; Sudan
Subjects: Cooperative farming; Rahad River; Sudan
Subjects: Plants; Soils; Development