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دليل المستخدم
Mashhour، A. M. (1989). Metal Burdens in Urban and Industrial Environments of Yanbu Saudi Ababia Cadmium, Chromium, Cobalt, Copper, Lead Lithium Manganese, Nickel and Zinc in Soils, Dusts and Vegetation from Arid Polluted Environments (رسالة دكتوراه غير منشورة). University of Bradford، برادفورد. مسترجع من http://search.mandumah.com/Record/600780
Mashhour، Ahmed M. "Metal Burdens in Urban and Industrial Environments of Yanbu Saudi Ababia Cadmium, Chromium, Cobalt, Copper, Lead Lithium Manganese, Nickel and Zinc in Soils, Dusts and Vegetation From Arid Polluted Environments" رسالة دكتوراه. University of Bradford، برادفورد، 1989. مسترجع من http://search.mandumah.com/Record/600780