Al Yami، A.، و Brown، R. (2010). Preparation and Characterisation of Bio-Diesel, and A Comparison between the Physical Properties of Bio-Diesels and of the Oils from which they are Prepared (رسالة ماجستير غير منشورة). University of Huddersfield، هدرسفيلد. مسترجع من http://search.mandumah.com/Record/603028
Al Yami، Ali، و Robert Brown. "Preparation and Characterisation of Bio-Diesel, and A Comparison between the Physical Properties of Bio-Diesels and of the Oils From Which They Are Prepared" رسالة ماجستير. University of Huddersfield، هدرسفيلد، 2010. مسترجع من http://search.mandumah.com/Record/603028