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اﻟﺪﻟﻴﻞ اﻟﻌﻤﻠﻲ ﻟﻠﺘﻌﻠﻢ اﻟﻘﺎﺋﻢ ﻋﻠﻰ اﻟﻤﺸﺮوﻋﺎت 56
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Cronbach’salpha
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Burges,TF2001Ageneralintroductiontothedesignofquestionnaires
http//issleeds for survey research University of Leeds
acuk/downloads/top2pdf
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