Writer : إبراهیم ابراهیم ؛
Journal:المستقبل العربی»مایو 1986 - العدد 87 ISC (33 page(s) - From 71 to 103 )
Keywords:استهلاکالطاقةمعدلالناتج المحلی الاجمالیمصادر
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