أثر الاستثمار في تكنولوجيا المعلومات و الاتصال على ربحية المؤسسات : دراسة حالة عينة من المؤسسات البترولية الجزائرية خلال الفترة (2010-2014)‎

الملخص EN

This study aims to highlight the importance of financial statements accounting rotating in determining the annual net profit and also the income and expenses of enterprises listed in CAC40 index and which were active in Paris Stock Exchange, also chose for this topic study seven commercial companies from various economic sectors and reached to determine the predictive values profits of the revenues and expenses of periodic and annual 2015 data through graphs to this topic variables during the period 1/2010 to 4/2014.