الفترة:
الموضوعات: مصر؛ الأحوال الاجتماعية؛ التنمية الاجتماعية
Subjects: Egypt; Oases; Wadi Al-Jadid (Governorate)
Subjects: Genetics; Physiology
Subjects: Chickens; Genetics; Production
Subjects: Egypt; Soil moisture
Subjects: Egypt; Groundwater
Subjects: Egypt; Groundwater; Water resources
Subjects: Drip irrigation; Egypt; Sinai peninsula; Irrigation; Tomatoes
Subjects: Egypt; Agricultural chemistry
Subjects: Egypt; Enzymes; Weather; Drought; Genetics