الفترة:
Subjects: Case studies; Childhood; Environment; Morocco; Environment protection
Subjects: Calcareous soils; Sanitation; Soil mechanics; Soil physics; Plants
Subjects: Saudi Arabia; Groundwater; Management
Subjects: Disinfectants; Sanitation; Waste water
Subjects: Heavy minerals; Jiddah; Red Sea Coast; Saudi Arabia; Environmental aspects
Subjects: Gulf of Suez; Environmental aspects
Subjects: Red Sea; Nitrogen
Subjects: Jiddah; Marine sediments; Saudi Arabia; Sediments
Subjects: Heavy minerals; Jiddah; Saudi Arabia; Pollution; Water
Subjects: Egypt; Geomagnetism; Geophysics; Ghardaqah; Structural geology
Subjects: Egypt; Gulf of Suez; Marine environment; Red Sea
Subjects: Islam; Religious aspects
Subjects: Case studies; Soil moisture; Remote sensing; Saudi Arabia
Subjects: Saudi Arabia
Subjects: Carbonate rocks
Subjects: Egypt; Nile River Delta; Seismology
Subjects: Jiddah; Ocean waves; Red Sea Coast; Saudi Arabia; Statistics
Subjects: Arabian Gulf; Water pollution; Fishes
Subjects: Red Sea Coast; Saudi Arabia
Subjects: Eastern Desert; Granite; Egypt
Subjects: Saudi Arabia; Watersheds
Subjects: Earthquake engineering; Riyadh; Saudi Arabia; Seismology
Subjects: Taizz; Yemen
Subjects: Jiddah; Red Sea Coast; Saudi Arabia