Alabd Allah، E. (2011). Cost-Benefit Esttimation For Alternative Renewable Biofuel From Algae in Comparison with Traditional fuel Source. مجلة جامعة بابل - العلوم الانسانية، مج19, ع4 ، 530 - 547. مسترجع من http://search.mandumah.com/Record/681198
Alabd Allah، Eman. "Cost-Benefit Esttimation For Alternative Renewable Biofuel From Algae in Comparison With Traditional Fuel Source." مجلة جامعة بابل - العلوم الانسانية مج19, ع4 (2011): 530 - 547. مسترجع من http://search.mandumah.com/Record/681198