95
اﻟﻤﻘﺪﻣﺔ
Preface
اﻟﺒﺎب اﻟﺜﺎﻧﻲ
–
ﺑﻴﺎﻧﺎت إﺣﺼﺎﺋﻴﺔ
)4 (
إﺣﺼﺎﺋﻴﺎت ﻣﺸﺎرﻳﻊ
اﻟﻬﻨﺪﺳﺔ اﻟﺼﺤﻴﺔ
Statistics for Sanitary
Engineering Projects
Pages 89 - 95
3 587
95 103