Page 28 - Mansoura National University
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ﺮﻴﺒﻜﻟا يﺮﺼﻤﻟا ﻒﺤﺘﻤﻟاو تﺎﻣاﺮﻫﻷا ﻰﻟإ ﺔﻴﺣﺎﻴﺳو ﺔﻴﻓﺎﻘﺛ ﺔﻠﺣر ﺔﻴﻠﻜﻟا ﺖﻤﻈﻧ



























                              (56 ﺔﺨﺴﻨﻟا) بﺎﺘﻜﻠﻟ ﻲﻟوﺪﻟا ةﺮﻫﺎﻘﻟا ضﺮﻌﻣ :ﻰﻟإ ﺔﻠﺣر ﺔﻴﻠﻜﻟا ﺖﻤﻈﻧ























                                                             ةﺮﻫﺎﻘﻟا ﻲﻟا ﺔﻴﻬﻴﻓﺮﺗ ﺔﻠﺣر ﺔﻴﻠﻜﻟا ﺖﻤﻈﻧ























                                  :ﺎﻨﺑ ﺔﺻﺎﺨﻟﺍ ﻲﻋﺎﻤﺘﺟﻹﺍ ﻞﺻﺍﻮﺘﻟﺍ ﺕﺎﺼﻨﻣ
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