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اﻟﺒﺎب اﻟﺜﺎﻧﻲ – ﺑﻴﺎﻧﺎت إﺣﺼﺎﺋﻴﺔ
)3 ( إﺣﺼﺎﺋﻴﺎت ﻣﺸﺎرﻳﻊ هﻨﺪﺳﺔ اﻟﻄﺮق
St ti ti f R da s cs or oa
Engineering Projects
Pages 71 - 85
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7 93
اﻟﻤﻘﺪﻣﺔ
Preface