Ecopolitices XVinternationaConferencel , 2004-11-12

Title : ( Challenges and approaches for protecting environmental resources in Semi-arid metropolitan regions :case ;Mashhad )

Authors: Mohammad Rahim Rahnama ,
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Abstract

The our pose of this article explain the problem s that cities in semi-arid region similar mashhad is being faced.

Keywords

, Challenges , approaches , protecting , nvironmental resources , Semi-arid metropolitan , Mshhad