آﺛﺎر اﻟنزاﻋﺎت المستدامة على اﻟﺘﻨﻤﻴﺔالمستدامة فى ﻣﻨﺎﻃﻖ اﻟﺼﺮاع اﻟﻴﻤﻦ أﻧﻤﻮذﺟﺎ THE IMPACTS OF ARMED CONFLICTS ON SUSTAINABLE DEVELOPMENT IN CONFLICT ZONES, Yemen is a model