Benzene، H.، و Alaoui، M. E. (2018). The Impact And Function Of Research And Development On The Activity Of Oil Companies Study The Case Of France's Total Compound For The Period 2015. المجلة الجزائرية للتنمية الإقتصادية، مج5, ع2 ، 143 - 149. مسترجع من http://search.mandumah.com/Record/961270
Benzene، Hamza، و Mohammed Elhassan Alaoui. "The Impact And Function Of Research And Development On The Activity Of Oil Companies Study The Case Of France's Total Compound For The Period 2015." المجلة الجزائرية للتنمية الإقتصادية مج5, ع2 (2018): 143 - 149. مسترجع من http://search.mandumah.com/Record/961270