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دليل المستخدم
Al Harbi، M. M. M.، و Grieve، I. (1993). Spatial and temporal variations in trace metal concentrations in sediments, pore water of the forth estuary, and their potential impact on water quality (رسالة دكتوراه غير منشورة). University of Stirling، ستيرلنغ. مسترجع من http://search.mandumah.com/Record/599681
Al Harbi، Mohammed Musad Mohammed، و Ian Grieve. "Spatial and Temporal Variations in Trace Metal Concentrations in Sediments, Pore Water of the Forth Estuary, and Their Potential Impact On Water Quality" رسالة دكتوراه. University of Stirling، ستيرلنغ، 1993. مسترجع من http://search.mandumah.com/Record/599681