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۱- Materials for subsurface land drainage systems (Envelope materials)
۳- Performance Of Drainage Geotextiles For Sustainable Development Of Soil And Water Resources In Egypt
—————————————————————————————————————————————————————————————————————
۱- Materials for subsurface land drainage systems (Envelope materials)
۳- Performance Of Drainage Geotextiles For Sustainable Development Of Soil And Water Resources In Egypt