الفترة:
Subjects: Case studies; Egypt; Matrouh; Desertification; Sex
Subjects: Case studies; Egypt; Kafr al-Shaykh; Censorship; Desertification
Subjects: Egypt; Lambs; Physiology
Subjects: Egypt; Sinai peninsula; Plants
Subjects: Egypt; Glue; Grassland plants; Sinai peninsula
Subjects: Egypt; Matrouh; Fertilizers; Irrigation; Wheat
Subjects: Egypt; Qalyubiyah; Groundwater; Pollution; Quality control
Subjects: Anatomy; Animal resources; Sheep; Wool
Subjects: Egypt; Sinai peninsula; Groundwater