عيسى، سعد عبدالله خليل. (2001). Hedonic Price Functions of some Fruits Produced by Tabouk Agricultural Development Company "TADCO", Saudi Arabia. دراسات اقتصادية، مج3, ع6 ، 33 - 56. مسترجع من http://search.mandumah.com/Record/1095238
عيسى، سعد عبدالله خليل. "Hedonic Price Functions of Some Fruits Produced By Tabouk Agricultural Development Company "TADCO", Saudi Arabia." دراسات اقتصادية مج3, ع6 (2001): 33 - 56. مسترجع من http://search.mandumah.com/Record/1095238